3d Model Files, Types, Formats, Extensions

3d Model Files, Types, Formats, Extensions

Extension Name Extension Type Category Dev.Company File Format Description
.3DM File Extension Rhino 3D Model 3D Image Robert McNeel and Associates Binary Open-source 3D Model format that allows CAD, CAM, CAE, and computer graphics software to accurately save and exchange 3D geometry using both NURBS and polygon mesh representations; used as the native file format for Rhinoceros.
.3DC File Extension 3DCrafter Scene File 3D Image Amabilis Software Binary Three-dimensional scene created by 3DCrafter, a 3D Modeling and Animation program formerly named 3D Canvas; includes the geometry of the scene and includes Shapes, materials, and lighting effects; used for creating 3D Images and Animations, and may be exported to an .AVI file.
.3MF File Extension 3D Manufacturing File 3D Image 3MF Consortium XML 3D manufacturing file format used to build and print 3D Models with Windows apps such as 3D Builder; represents a 3D Model, which includes support for textures, mesh, colors, materials, scale, and a print ticket that contains recommended print options.
.3DL File Extension LightConverse 3D Model File 3D Image Light Converse Unknown High-quality textured 3D Model format used by LightConverse, a 3D lighting visualization and control software program; represents a three-dimensional scene optimized for realtime rendering with multiple light sources; contains mesh data, material attributes, and bitmap references.
.123DX File Extension 123D Design Model File CAD Autodesk Zip 3D Model created by 123D Design, a program used for designing models for print or fabrication; stores the 3D geometry of the model, as well as materials that define the surface appearance of the model.
.3DMK File Extension 123D Make Project File 3D Image Autodesk Binary Model design created by 123D Make, a program used for turning 3D Models into cutout plans; stores a 3D Model that is used to generate cutout instructions for building the model with paper, wood, or other materials; used for DIY (do-it-yourself) home model construction projects and can be shared with other users online through the 123D gallery.
.3DP File Extension 3DMark2011 SE Project File Data Futuremark Binary File created by 3DMark2011 SE, a program used for benchmarking PCs with DirectX 8; saves the system specs, a list of tests to run, and the results after running the benchmarks; allows the results to be saved and reviewed.
.3DX File Extension Rhino 3D Model File 3D Image N/A Unknown Three-dimensional model created with the Rhino (Rhinoceros) 3D Modeling program; uses NURBS (Non-Uniform Rational B-Splines) to represent 3D geometry.
.3DON File Extension Scrutinize 3D Mesh File 3D Image Keen Edge Software Text 3D Image file used by Scrutinize, a graphical debugging program for 3D algorithms; contains 3D mesh data for a debugging session in a JSON (JavaScript Object Notation) format; used for rendering 3D Model data while debugging.
.A2C File Extension Alice Object File 3D Image Carnegie Mellon University Binary 3D Model used by Alice, a 3D programming environment designed for educational purposes; saved in a compressed 3D mesh format can include vertices, edges, and polygons; may be viewed and edited as a three-dimensional object within Alice.
.AOI File Extension Art of Illusion 3D Scene 3D Image Peter Eastman Binary 3D Image file created by Art of Illusion, a free, open source 3D Modeling program; may contain 3D objects, textures, Animations, and other scene elements; references external images but does not store them in the AOI file itself.
.ATF File Extension Axon Text File Data Molecular Devices Text Data format used by GenePix microarray Analysis software; uses a Plain Text, tab-delimited format and contains records, each with one or more fields; can be used interchangeably with GenePix software, text editors, and spreadsheet programs, such as Microsoft Excel.
.ANIM File Extension Maya Animation File 3D Image Autodesk Text 3D Animation file created by Maya, a professional 3D Modeling application; saves references to objects and their Animation properties; includes keyframes that specify anchor points of the Animation; also includes rotations and the timeline.
.A3D File Extension Alternativa Player 3D Export File 3D Image Alternativa Unknown File created by AlternativaPlayer, an online 3D Models viewer; contains a 3D Model exported from the online program; located within the "model" folder of the folder in the .ZIP file created by the program.
.ART File Extension AOL Compressed Image File Raster Image AOL Binary Bitmap image file compressed by America Online (AOL); saved in a proprietary format that most image viewing programs do not recognize; can be opened within America Online by selecting "File→Open..."
.AN8 File Extension Anim8or File 3D Image Steven Glanville Unknown Animation created with Anim8or, a 3D Modeling and character Animation program; supports texture mapping, shadows, lighting, fog, and other OpenGL effects.
.AC File Extension Autoconf Script Executable N/A Unknown Automatic configuration script produced by GNU Autoconf; automatically configures software source code packages to adapt to several types of Posix-like systems; created by testing a software package for each feature the program might need in order to run a specific system; Autoconf then builds a list of system features that the package requires.
.A File Extension Static Library Developer N/A Text Contains a library of functions and headers that may be referenced by a C/C++ source file; may contain only a few functions or may include an entire library of functions, such as a 3D Modeling engine.
.ALBUM File Extension GLC_Player Album File 3D Image N/A Unknown Album file created and used by GLC_Player, an application used to view 3D Models; contains a collection of 3D Models; can be closed and opened for viewing 3D Models at a later time.
.ASAT File Extension Assemble SAT 3D Model File 3D Image N/A Unknown 3D Model saved in the Assemble SAT format, a standard format for storing 3D part and Assembly designs; typically used by engineering and mechanical design applications.
.ASSET File Extension Unity Asset File Game Unity Technologies Binary 3D scene file created by Unity, a program used for developing 3D Games; stores generated assets, which are typically meshes, textures, and shaders for 3D Models; created when building the Unity development project into an executable Game deliverable.
.A8S File Extension Anim8or Script 3D Image Steven Glanville Text Script created for Anim8or, a free 3D Modeling and character Animation program for Windows; saved in a Plain Text format and contains source code written in the ASL (Anim8or Scripting Language) syntax.
.CG File Extension Cg Program 3D Image NVIDIA Text File written in the Cg programming Language, a 3D Image definition Language developed by NVIDIA; contains source code that defines the shape, appearance, and motion of a 3D Model; used by various Games and other programs that use 3D content.
.CHR File Extension CryENGINE Character File 3D Image Crytek Unknown 3D Model file created by the CryENGINE SDK, a suite of applications used to build cross platform Games for PC and console systems; includes the mesh, skeleton position, vertex properties, and morph targets; used for creating human and alien characters, as well as modeled Game objects.
.CHR File Extension CryENGINE Character File 3D Image Crytek Unknown 3D Model file created by the CryENGINE SDK, a suite of applications used to build cross platform Games for PC and console systems; includes the mesh, skeleton position, vertex properties, and morph targets; used for creating human and alien characters, as well as modeled Game objects.
.CATPRODUCT File Extension CATIA V5 Assembly File CAD Dassault Systemes Binary File created by CATIA V5, a CAD program used to simulate industrial design processes; contains data for the Assembly manufacturing process, including parts and Assembly structure information; also contains 3D Model information for the design.
.CPY File Extension 3ds Max Copy Track File 3D Image Autodesk Unknown Animation file created by 3ds Max, a 3D Modeling and Animation program; saves an Animation track for selected objects from a biped (two-footed figure); includes the gestures and posture information; allows modelers to reuse biped poses and Animations.
.CAS File Extension Total War Model File 3D Image The Creative Assembly Binary 3D Model file used by some Games in the Total War strategy Game series; contains models for buildings, units, and other Game objects; saved with .TGA and .DDS images that are used for texturing the models.
.CNC File Extension CNC Machine Tool Path CAD N/A Unknown Contains instructions for a CNC milling machine; paths can be created from 3D Models or 2D images.
.CZD File Extension CAD Zone Drawing CAD The CAD Zone Binary CAD Document created by The Crash Zone or another CAD Zone software product; saves a 3D Model of an accident scene, crime scene, or other emergency situation; used for making crash and other emergency diagrams that evaluate and influence road, site, and building construction.
.CBA File Extension CryENGINE Resource Compiler Settings File Developer Crytek XML File used by the CryENGINE SDK, a collection of applications used for developing Games for the PC and console platforms; saves settings for compiling 3D Model skeletons into the .DBA format, which is used by the video Game.
.CSD File Extension Steam Game Backup File Backup Valve Unknown Backup file used by Steam, a gaming service that allows users to download and manage Valve Games; contains Backup Game data; similar to a .SIS file.
.CUI File Extension Autodesk Custom Workspace File Settings Autodesk Unknown Saves workspace settings for AutoCAD architectural drawing and engineering software as well as for 3ds Max 3D Modeling software; contains toolbar and menu configuration settings as well as the layout for windows and palettes; used for setting up the workspace for different modeling, rendering, and Animation tasks.
.C4D File Extension Cinema 4D Model File 3D Image MAXON Computer Unknown Three-dimensional model created with Cinema 4D, a professional 3D Modeling and Animation program; can be exported to image-editing programs, such as Photoshop and Illustrator, as well as video-editing programs, like After Effects and Final Cut Pro.
.CGF File Extension Crytek Geometry Format File Game Ubisoft Unknown 3D Model format used by CryENGINE, a 3D Game engine; created using the 3D application included with the CryENGINE SDK; contains geometry data and is used to represent the shape of a 3D character or object for the Game.
.CM2 File Extension Poser Camera Set File 3D Image Smith Micro Unknown Camera set file used by Poser, a 3D figure modeling and Animation program; contains camera positions for different cameras used by Poser; camera locations determines the viewing perspective of a 3D Model or scene.
.CAT4D File Extension Cinema 4D Catalog Data MAXON Computer Unknown Library created by Cinema 4D, a professional application that enables you to create 3D Models and Animations; contains only links to scenes, images, search results, presets, and other files.
.CEM File Extension Children of the Nile Model File Game Tilted Mill Entertainment Binary Game model file used by Children of the Nile (CotN), a city-building simulation Game set in ancient Egypt; saves 3D Models for the Game and may be for people, animals, buildings, and other Game objects.
.DAZ File Extension DAZ Studio 3D Scene 3D Image DAZ Productions Binary Three-dimensional scene created by DAZ Studio, a 3D Modeling program often used for creating virtual characters; may store a model of a person as well as the surrounding environment; can include poses, Animations, wardrobes, and lighting effects; used as the native scene format for DAZ Studio.
.DUF File Extension DAZ User File 3D Image DAZ Productions Unknown 3D Modeling file created by DAZ Studio modeling software; contains character, shaping, pose, and shader materials; similar to the .DSF file but its assets cannot be referenced by any other file; used for sharing between users.
.DSF File Extension DAZ Studio Asset File 3D Image DAZ Productions Zip 3D Modeling file format introduced with DAZ Studio 4 modeling software; may contain character, pose, shaping, shader, materials, or other data for a model created in the software; used for exchanging DAZ model information with other 3D Modeling programs that support the DSF format.
.DIF File Extension Data Interchange Format Data Microsoft Text Standardized spreadsheet export format supported by Microsoft Excel, Access, and other software; allows spreadsheet data to be imported by multiple programs; can be viewed and edited with a text editor.
.DBO File Extension DarkBASIC Object Developer The Game Creators Unknown Program object created with DarkBASIC Pro, a development program for creating 3D Games, Slideshows, and other applications; developed using the BASIC programming Language; may include Game levels, 3D Models, textures, and other related data.
.DLU File Extension 3ds Max Utility Plug-in File Plugin Autodesk Binary Plug-in used by 3ds Max, a program used for creating and animating 3D Models; contains a utility for the software, such as a file format importer or exporter; may be a Standard MAX plug-in included with the software, or an Additional MAX plug-in added to the software; used for extending 3ds Max with new capabilities.
.DSD File Extension AutoCAD Drawing Set Description File Settings Autodesk Text Properties file used by AutoCAD, a CAD productivity application; contains settings for publishing a drawing to a .DWF file or to another plotter format; used for saving reusable publishing settings for different types of output.
.DLV File Extension CATIA 4 Export File CAD Dassault Systemes Binary File created by CATIA version 4, a CAD program used to create virtual designs; contains a 3D Model and its properties; used for saving and loading information during the design process; can be imported by various other CAD programs.
.DRG File Extension AllyCAD Drawing File CAD Knowledge Base Binary Three-dimensional drawing created by AllyCAD, a program used to create engineering and architectural designs; contains a 3D Model, commonly of an Assembly part or a structure; used to store designs in the planning process before manufacturing or construction.
.DB1 File Extension Tekla Structures Model File CAD Tekla Binary File created with Tekla Structures building information management (BIM) software; saves a structural 3D Model of a building or construction site plan and can accurately represent materials and structural complexity; used for saving building plans before they are constructed.
.DLR File Extension finalRender Plugin Plugin cebas Visual Technology Unknown Plugin created by finalRender for Autodesk 3ds Max, a 3D Modeling program for Games, films and other motion graphics entertainment; contains features like shadow and atmosphere effects referenced by Autodesk 3ds Max.
.DS File Extension DAZ Studio 1/2 Script 3D Image DAZ Productions Text Plain text script used by DAZ Studio, a 3D Modeling application; contains instructions that automate program functionality; may act like a macro for running common tasks or may include custom code that extends the functionality of the software; often used for applying character morphs or model presets, and for working with import and export file formats.
.DSA File Extension DAZ Studio 3+ Script 3D Image DAZ Productions Text Script format introduced with DAZ Studio version 3, a 3D Modeling application; saved in a Plain Text (ASCII) format and contains instructions that automate modeling tasks, such as applying materials or character morphs; can act like a macro for running common tasks, or may include custom code that extends the functionality of the software.
.DBPRO File Extension DarkBASIC Professional Project File Developer The Game Creators Text Project File created by DarkBASIC Professional, a free IDE used for developing 3D Windows Games; saved in a Plain Text format and contains references to .DBA source code files for the project as well as other project assets, such as 3D Models, textures, and other graphics; can be compiled into an .EXE Game executable.
.DBC File Extension FoxPro Database Database N/A Unknown Database created with Visual FoxPro
.DBL File Extension DAZ Brick Light File 3D Image DAZ Productions Unknown 3D shader settings file created by DAZ Studio 3D Modeling software; stores settings for a light shader; can be opened and edited with the Shader Mixer, which can be viewed by selecting Tools → Tabs → Shader Mixer; used for saving light shader presets.
.DLO File Extension 3ds Max Plug-in Plugin Autodesk Unknown Plugin file used by Autodesk 3ds Max, a 3D Modeling and Animation program; adds new features to the software, such as importers or exporters for a third-party 3D file formats; enables users to customize software capabilities.
.D3D File Extension Game Maker 3D File 3D Image YoYo Games Unknown 3D Model file used by Game Maker, an application used to develop 2D and 3D Games; stores a model mesh, which can be texturized; used for loading Game objects, such as buildings, monsters, and items.
.EXP File Extension CATIA 4 Export File 3D Image Dassault Systemes Binary File created by CATIA version 4, a program used model manufactured components for the industrial design process; contains an exported design, including 3D Models, material specifications, and properties; used to export all design data together.
.EPC File Extension Doctor Who Game Data File Game BBC Binary File used by Doctor Who: The Adventure Games, a computer Game that follows the Doctor Who BBC television series, which broadcasts in the United Kingdom (UK); contains 3D Model data, such as 3D scenes, maps, and rooms; used for rendering 3D visual data in the Game.
.FUN File Extension Cubify Invention File 3D Image Cubify Unknown 3D file created and used by Invent, a tool that allows users to design and create 3D Models; contains information, such as points, planes, and axes, that describe a three-dimensional design; allows you to close the design and make changes to the design after opening it again.
.FNC File Extension Vue Functions File 3D Image E-on Software Binary File used by E-on Vue, a 3D environment editing application; contains instructions that generate visual properties of a 3D scene; may apply noise, turbulence, or other patterns; used for storing reusable functions that can be applied to multiple scenes.
.FAN File Extension Form•Z Animation File CAD AutoDesSys Binary Three-dimensional model Animation created by form•Z, a 3D Modeling program; stores a timeline with a series of frames and viewing perspectives; used to store virtual walkthroughs and demonstrations for site construction projects, building interior showcasing, and other demos.
.FCW File Extension FastCAD Windows Drawing CAD Evolution Computing Unknown 2D or 3D design created with FastCAD for Windows, a professional 3D Modeling and rendering program; may include three-dimensional objects with colors or texture mapping.
.FCP File Extension Phantasy Star Online 2 Female Cast File 3D Image SEGA Binary 3D Model file used by Phantasy Star Online 2, an online multiplayer RPG; stores a model for a female character from the CASTs android-like race in the Game; can be created and edited with the Phantasy Star Online 2 Character Creator tool.
.GMF File Extension Leadwerks Game Model File 3D Image Leadwerks Binary 3D Model file created in the Game Model Format (GMF), a format used by the Leadwerks Game engine; contains both model and Animation data; used for storing 3D Game characters and their movements.
.GINSPECT_PRJ File Extension GOM Inspect Project File CAD GOM Binary Project File created by GOM Inspect, a program used for visualizing and dimensioning 3D Models, often those captured by an ATOS optical scanning device; saves 3D objects as well as measurements and Analysis reports.
.GMT File Extension rFactor Model File 3D Image Image Space Binary Three-dimensional model used by rFactor, a car racing simulation Game; saves the 3D Model for a vehicle, vehicle upgrade component, or a track; used for loading graphics in the rFactor 3D Game engine.
.GMMOD File Extension Game Maker 3D Model File 3D Image N/A Text 3D Model created by Model Creator for Game Maker, a program used for designing 3D Models; uses the same formatting as a Game Maker .D3D file but has a different file extension; saved in a Plain Text format and specifies the three-dimensional structure of the model, including vertices and Shapes; used for rendering 3D objects in Game Maker Games.
.HXN File Extension Hexagon Model File 3D Image DAZ Productions Unknown 3D Image created by Hexagon, a 3D Modeling program that prepares models for rendering; stores the polyhedral 3D mesh as well as texture settings; used for building simple to complex characters, structures, and other objects.
.HR2 File Extension Poser Hair File 3D Image Smith Micro Unknown Contains character hair information, used by Poser, a 3D figure modeling program; may include either strand-based or transparency-mapped hair information; can be applied to various Poser 3D Models.
.HRZ File Extension Compressed Poser Hair File 3D Image Smith Micro Unknown Contains character hair information in a compressed format; used by Poser, a 3D figure modeling program; may include either strand-based or transparency-mapped hair, which can be applied to Poser 3D Models.
.IGS File Extension IGES Drawing File CAD N/A Text 2D/3D Vector Graphics format based on the Initial Graphics Exchange Specification (IGES); used by many CAD programs as a standard ASCII text-based format for saving and exporting vector data; can store wireframe models, surface or solid object representations, circuit diagrams, and other objects.
.IFL File Extension 3ds Max Image File List Misc Autodesk Text File created by 3ds Max, a 3D Modeling and Animation application; stores a sequence of image filenames in Plain Text; used for including single-frame bitmaps in a series of rendered frames; also used for generating animated bitmaps.
.IFP File Extension GTA Animation File Game Rockstar Games Binary Game Animation file used by Grand Theft Auto (GTA) III and subsequent GTA Games; may contain multiple Animations in a single file, and each Animation includes the 3D Model and Animation frames; used for Game cutscenes.
.JT File Extension JT Open CAD File CAD Siemens PLM Software Unknown Lightweight 3D Model format developed by Siemens PLM Software; designed as an open, high-performance, compact, persistent storage format for product data; used for product visualization, collaboration, and CAD data sharing.
.JAS File Extension Cheetah3D Model File 3D Image Cheetah3D Binary 3D Model file created by Cheetah3D, a 3D Modeling, rendering, and Animation program for Mac; contains three-dimensional objects, visual effects, and Animation properties; often used for digital art.
.KBD File Extension 3ds Max Keyboard Shortcuts File Settings Autodesk Unknown File created by 3ds Max, a 3D Modeling and Animation program; contains hotkeys and other keyboard shortcuts for menus and functions in the application; can be the default configuration installed by the program, or a custom configuration created by the user.
.KFM File Extension Gamebryo 3D Model File 3D Image Gamebase Unknown 3D Model used by some Games developed with the Gamebryo engine, including Civilization IV, The Elder Scrolls: Oblivion, and many more; similar to a .NIF file and contains the geometry and motion information for a Game model; used for storing characters, monsters, weapons, and other Game objects.
.LWS File Extension LightWave 3D Scene File 3D Image NewTek Unknown Three-dimensional scene created with LightWave 3D, a 3D Modeling, Animation, and rendering program; includes information about object positions and movements, as well as cameras and their movements.
.LIB4D File Extension Cinema 4D Preset Library Data MAXON Computer Unknown Library created by Cinema 4D, a professional application that enables you to create 3D Models and Animations; contains one or more presets that can be inserted into a scene by the user; includes pre-defined or custom made objects such as images, pencil marks, skies, brick shaders, body paint gradients, and 3D balloons.
.LIF File Extension LEGO Digital Designer Assets File Data The LEGO Group Binary Container format used by LEGO Digital Designer (LDD), a program used for constructing 3D Models with digital LEGO parts; saved in the program installation directory and contains program assets such as bricks and other 3D Model parts; uses a proprietary binary format.
.LP File Extension Lightscape Preparation File 3D Image Autodesk Unknown Project File created by Lightscape, a program used for creating lighting for 3D Models; stores the 3D scene elements as well as radiosity and ray tracing information that help give a model a realistic lighting appearance.
.L4D File Extension Cinema 4D Layout File Settings MAXON Computer Unknown Settings File created by Cinema 4D, a 3D Modeling application; saves a workspace layout and includes the positions of toolbars, palettes, and the editing canvas; can be used for setting up single or dual monitor configurations.
.LPS File Extension Bryce Leaf Shape File 3D Image DAZ Productions Binary 3D Model file used by Bryce, a 3D Modeling program; contains a preset shape for a leaf that can be added to 3D scenes; can be used for enhancing trees, which are stored using the .BTO extension.
.MAX File Extension 3ds Max Scene File 3D Image Autodesk Binary Three-dimensional scene file created by 3ds Max, a 3D Modeling, Animation, and rendering application; may contain multiple models that include wireframes, textures, lighting effects, shading, Animation, and other 3D design elements; used for developing professional graphics for Games, film, and television.
.MA File Extension Maya Project File 3D Image Autodesk Text Project File created with Maya, a 3D Modeling and Animation program; defines the geometry, lighting, Animation, and rendering properties of a 3D scene; MA files are saved in an ASCII text format, while binary Maya project files use the .MB extension.
.MAT File Extension MATLAB MAT-File Data The MathWorks Binary Binary data container format used by MATLAB; may include arrays, variables, functions, and other types of data; can be saved in different formats by choosing a version within the MATLAB Preferences (select General → MAT-Files).
.MDL File Extension MathWorks Simulink Model Data MathWorks Text Simulation model created with Simulink, a simulation and model-based design application; contains the block diagram and block properties of the simulation.
.MDX File Extension Extended Media Descriptor File Disk Image DT Soft Binary Disc image file created by DAEMON Tools, a utility used to create CD and DVD disc images and emulate the original discs as virtual drives; contains both the disc volume formatting metadata and the disc data.
.MOD File Extension Amiga Music Module File Audio N/A Unknown Standard music module format recognized by most audio tracking programs; may be created by FastTracker, StarTrekker, Noise Tracker, or another MOD creation program.
.MB File Extension Maya Binary Project File 3D Image Autodesk Binary Project File created with Maya, a 3D Modeling and Animation program; contains three-dimensional models, textures, lighting properties, and Animation data; saved in a binary format instead of the ASCII text format used by Maya .MA files.
.MCD File Extension MiniCAD Design File CAD Nemetschek Binary Design created by Vectorworks CAD applications, which were previously developed under the MiniCAD brand; contains a design draft such as a technical drawing or a 2D or 3D Model; used for storing drafted plans before construction or manufacturing.
.MXS File Extension Maxwell Studio Scene File 3D Image Next Limit Binary Three-dimensional scene file created by Maxwell Render photorealistic rendering software, or by another 3D Modeling program with the Maxwell Render plug-in; stores a 3D scene description that can be rendered with physically-accurate light properties in the software.
.MP File Extension LaTeX MetaPost File Vector Image N/A Binary File used by MetaPost, a graphics-drawing Language used for creating pictures in Encapsulated PostScript (.EPS) files and LaTeX Documents (.TEX and .LTX files); may contain basic drawing statements or more advanced instructions for algorithmic drawing.
.MS3D File Extension MilkShape 3D Model 3D Image Chumbalum Soft Unknown Three-dimensional model created with MilkShape 3D, a low-polygon 3D Modeler; contains a 3D Model that includes skeleton, surface, and texture data; may also include 3D Animation data; can be exported to several different 3D formats.
.M2 File Extension World or Warcraft Model Object Game Blizzard Entertainment Unknown 3D Model format used by World of Warcraft, an online multiplayer adventure Game; describes the vertices, faces, textures, materials, and Animation capabilities of a single model; used for players, creatures, and doodads (decoration objects) within the Game.
.MCR File Extension Tecplot Macro Executable Tecplot Unknown Macro file used by Tecplot, a program used for scientific computation and visualization; saves instructions that automate the workflow of computing and visualizing data; enables repetitive tasks to be run automatically.
.MAXC File Extension 3ds Max Container File 3D Image Autodesk Binary File created by 3ds Max, a software package used for 3D Modeling and Animation; stores a collection of 3D objects, including their properties; allows modelers to organize scene objects into groups; also allows object groups to be shared.
.MQO File Extension Metasequoia Document 3D Image Metasequoia Text 3D Image created by Metasequoia, a 3D Modeling program; saves the 3D geometry and pose information for a character or other object; also stores applied textures; uses Plain Text formatting and can be exported to common 3D formats, including .DXF, .LWO, .3DS, and .OBJ.
.MUD File Extension Mudbox 3D Scene File 3D Image Autodesk Unknown 3D Image created by Mudbox, a 3D digital sculpting and painting application; saves a 3D Model with textures and lighting information; can include multiple sculpt and paint layers; can also incorporate models (.OBJ, and .FBX) created in other 3D software tools such as Maya.
.MNU File Extension AutoCAD Interface Layout File Settings Autodesk Text Interface layout definition file used by AutoCAD 2D and 3D CAD software as well as 3ds Max 3D Modeling software; contains ASCII text definitions that specify the display properties of user interface elements; used for customizing the layout of the user workspace.
.MAKERBOT File Extension MakerBot Print File 3D Image MakerBot Industries Unknown 3D printer file format used by MakerBot Replicator, a desktop 3D printer; contains 3D Model printing instructions for a MakerBot desktop 3D printer.
.MODFEM File Extension Femap Model CAD Siemens PLM Software Binary 3D Model file saved in the FEMAP format; used by Femap, a CAD engineering Analysis program; stores geometry, materials, mesh, element properties, loads, and other model data.
.MBM File Extension Kerbal Space Program Texture File Raster Image Squad Binary 3D Model texture used by Kerbal Space Program (KSP), a space program building Game; saves textures referenced by the .MU mesh file; used for providing the surface appearance of space shuttles and other space objects.
.MCX File Extension MICRO CADAM-X/6000 Model Data File CAD CNC Software Unknown 3D Model format used by Mastercam X and X2 CAD/CAM software; used for developing 3D Models of parts, molds, and fixtures; may contain solids, surfaces, and wireframe data; commonly referred to the MC-X format.
.MODEL File Extension CATIA 3D Model FIle CAD Dassault Systemes Unknown 3D Modeling format used by CATIA (Computer Aided Three Dimensional Interactive Application), a 3D CAD/CAM program; used for building molds, dies, composites, and other types of models.
.MSH File Extension Orbiter 3D Mesh File 3D Image Martin Schweiger Text Proprietary 3D Model mesh format used by Orbiter, a free space flight Simulation Program; saves the three-dimensional structure of a shuttle, station, or another space object; uses ASCII text formatting and specifies vertices and mesh groups for different parts of the model, as well as the textures (.DDS files) and materials to apply to the model.
.MATERIAL File Extension Rigs of Rods Texture Reference File Settings N/A Text File used by Rigs of Rods, an open source truck, car, airplane, and boat simulator; contains nested instructions and properties that reference a particular 3D Model, such as a truck, to a texture file; specifies textures that are declared in a corresponding .TRUCK file.
.MCFI File Extension Maya Initial Fluid Cache File Misc Autodesk Unknown Cache file created by Autodesk Maya, a 3D Modeling program; stores fluid effects, such as liquids, smoke, fire, and clouds in a disk cache so they can be rendered more quickly.
.MCFP File Extension Maya Fluid Cache Playback File Misc Autodesk Unknown Playback cache file generated by Autodesk Maya, a 3D Modeling program; stores fluid effects, such as liquids, smoke, fire, and clouds in a disk cache so they can be played back without needing to be rendered on-the-fly.
.MESH File Extension 3D Mesh Model 3D Image Medit Unknown 3D Model format that stores objects as 3D "mesh" files; creates a digital representation of Geometric models by using a collection of polygons to form the surface of each object.
.MESH File Extension 3D Mesh Model 3D Image Medit Unknown 3D Model format that stores objects as 3D "mesh" files; creates a digital representation of Geometric models by using a collection of polygons to form the surface of each object.
.MDL0 File Extension Wii Model File Game N/A Unknown Model file utilized by Nintendo Wii Games such as Mario Kart and Super Smash Bros. Brawl; contains model data, such as shaders and colors, for 3D Models; similar to .PLT0, .PAT0, and .TEX0 files; typically found within the .BRRES resource package file.
.NLOGO3D File Extension NetLogo 3D Model File Data NetLogo Text 3D Model created by NetLogo, a program used for modeling natural and social phenomena, often in academic and research environments; saves the starting parameters of the simulation as well as interactive buttons and source code used to set up and run the model in the 3D space.
.NIF File Extension Gamebryo Model File 3D Image Gamebase Binary 3D Model used by Gamebryo, a Game engine used for Fallout 3, Warhammer Online: Age of Reckoning, and other popular video Games; supports 3D meshes (geometry), textures, shading, and other model properties; used for storing terrain, Game objects, or other 3D Models.
.NSBMD File Extension Nintendo DS Model File Game N/A Unknown 3D Model used by a Nintendo DS program; may contain a model block (defined by "MDL0") and a texture block (defined by "TEX0"); may also reference a .NSBTX file that contains textures used by the model.
.N3D File Extension Nuclear 3D File 3D Image Nuclear Glory Binary 3D Model or scene used by Games created with Nuclear Glory Game development software; saves the 3D Image and Animation information in a format optimized for use by the Game engine; used for saving characters, terrain, and other 3D objects.
.OGF File Extension S.T.A.L.K.E.R. Model File 3D Image GSC Game World Binary 3D Model file used by S.T.A.L.K.E.R. first-person shooter Games; stores 3D meshes and Animation data; used for Game models such as characters, weapons, terrain, and environmental objects.
.OBP File Extension Bryce Object File 3D Image DAZ Productions Binary 3D objects file used by Bryce, a 3D Modeling application; contains a collection of objects, which are used as a library for importing 3D elements into a model or scene; used for storing Geometric Shapes, terrains, vegetation, and other objects.
.OVL File Extension Rollercoaster Tycoon 3 Data File Game Atari Binary Game archive used by Rollercoaster Tycoon 3, a roller coaster creation video Game; stores various types of Game data, including 3D Models, 2D Game graphics, sounds, and layout information for the user interface; used as a Game data container.
.PKG File Extension Symbian Package File Settings Nokia Text Package created for Symbian OS devices; contains instructions that are required to create a .SIS file, including the vendor name, software dependencies, and application files to copy; stored in a Plain Text format.
.PKG File Extension Symbian Package File Settings Nokia Text Package created for Symbian OS devices; contains instructions that are required to create a .SIS file, including the vendor name, software dependencies, and application files to copy; stored in a Plain Text format.
.POD File Extension Terminal Reality Game Data File Game Terminal Reality Binary Container format used by Terminal Reality Games; may store various types of Game data, such as 3D Models, textures, sounds, maps, and the user interface.
.PLN File Extension ArchiCAD Project File CAD GRAPHISOFT Unknown Solo project file that contains a 3D Model created with ArchiCAD architectural design software; used by architects to design building structures, interiors, exteriors, and landscapes; uses the Archicad Virtual Building technology to simulate the way a real building is constructed.
.PRT File Extension Pro/ENGINEER Part File CAD Parametric Technology Binary Part file created by Pro/ENGINEER, a CAD program used to design manufactured parts and Assembly processes; contains part information, including a 3D Model and part structure; can be combined with other parts into an Assembly file (.ASM file).
.PRT File Extension Pro/ENGINEER Part File CAD Parametric Technology Binary Part file created by Pro/ENGINEER, a CAD program used to design manufactured parts and Assembly processes; contains part information, including a 3D Model and part structure; can be combined with other parts into an Assembly file (.ASM file).
.PRC File Extension Product Representation Compact File 3D Image Adobe Systems Binary File created in the Product Representation Compact (PRC) format, which is used to represent 3D Models and assemblies; contains product structure, geometry, and product manufacturing information (PMI); stores data in a highly compressed format.
.PMD File Extension PageMaker Document Page Layout Adobe Systems Binary Page layout file created with Adobe PageMaker, a program used for creating professional publications such as newsletters and brochures; contains formatted text, images, and drawn objects; can import images created in other Adobe programs.
.P3D File Extension Peak3D 3D Graphics File 3D Image PeakWork Unknown Three-dimensional model created with Peak3D, a computer graphics 3d modeling program; supports both 2D and 3D Images with support for polygons, cameras, and multiple types of lighting effects.
.P21 File Extension Express STEP Data Model File 3D Image N/A Unknown 3D Model format used for three-dimensional product data representation and exchange; saved in an ACSII text format specified by ISO 10303-21; used primarily for industrial automation systems and integration purposes.
.PAT File Extension Pattern File Raster Image Adobe Systems Binary Bitmap image used as a pattern that can be imported into multiple graphics programs; typically a square file that may be 8x8 pixels to 256x256 pixels in size; repeats to fill an area with the pattern; often used for creating a textured background.
.PSK File Extension Unreal Engine Skeletal Mesh File 3D Image Epic Games Binary File used by the Unreal Engine, a gaming engine used to create first-person shooter Games such as Unreal Tournament; contains mesh information for a 3D Model; used to import 3D Models into the Unreal Engine.
.PSA File Extension Unreal Engine Skeletal Animation File 3D Image Epic Games Binary File used by the Unreal Engine, a 3D gaming engine used to develop first-person shooter Games such as Unreal Tournament; contains 3D Model Animation settings for a .PSK file; used by the Unreal Engine to animate imported 3D Models.
.PIGS File Extension Packaged Indigo Renderer Scene File 3D Image Glare Technologies Zip 3D scene used by Indigo Renderer, a program used for generating photorealistic images; saves an .IGS scene file, but packages it using .ZIP compression so the file size is smaller; often exported using the Indigo Renderer plug-in, which is available for several 3D Modeling products, including 3ds Max, Blender, Cinema 4D, and Maya.
.PSM File Extension Protracker Studio Module Audio N/A Unknown Tracker format used by Protracker Studio; contains tracks and song patterns that can be played back by an audio tracker.
.PIC File Extension Generic Picture File Raster Image N/A Binary Bitmap image created by IBM Lotus or a variety of other applications; possible programs include Advanced Art Studio, Micrografx Draw, and SoftImage 3D; should not be confused with the .PICT format.
.PICNC File Extension Houdini 3D Compositing Image Raster Image Side Effects Software Binary Raster image created by Houdini Apprentice, the reduced version of the full Houdini 3D Modeling software; includes color values, the color map, and the image size; used for storing rendered 3D Models.
.PLA File Extension Sansa Playlist File Audio SanDisk Unknown Music playlist for a SanDisk Sansa portable media player; saved in the PLP playlist format, which lists locations of files in a standard text format; must be transferred to the PLAYLISTS folder on the Sansa device to be recognized by the player.
.PIG File Extension Descent Texture File Game Interplay Binary Contains textures used in the Descent 1 and 2 video Games; may also store sound effects and model data for Descent 1.
.PLT0 File Extension Wii Color Palette File Game N/A Unknown Palette file used by Nintendo Wii Games such as Super Smash Bros. Brawl; contains color palettes referenced by the Game to help create the surface appearance of 3D Models; often found within a .BRRES resource package file; similar to .TEX0, .MDL0, and .PAT0 files.
.RTD File Extension Robot Structural Analysis Design File CAD Autodesk Unknown CAD file created by Robot Structural Analysis, a program used for analyzing complex building structures; stores a 3D Model of a building and can include materials and design codes; may be used for identifying structural strengths or weak points.
.RPF File Extension Grand Theft Auto Data File Game Rockstar Games Binary Game File used by Grand Theft Auto (GTA) IV and V, an action-adventure Game; may include data such as player 3D Models, texture graphics, and Game audio; sometimes replaced with other RPF "mod" files that alter Game content.
.RFA File Extension Revit Family File Data Autodesk Unknown Data File that can be loaded into a project created with Revit, a building information modeling (BIM) program; contains one or more 3D Models that can be imported into a 3D scene; may be created and saved using the Revit Family Editor.
.RBXM File Extension ROBLOX Model Game ROBLOX Unknown 3D Model used by ROBLOX, an online multiplayer Game in which users can custom build their own characters; designed to be a kid-friendly environment where people can exercise their creativity.
.RBXL File Extension ROBLOX Location File Game ROBLOX XML Location file that defines a place in ROBLOX, an online multiplayer building Game; describes a playing field, which consists of 3D Models (.RBXM files), parts, tools, scripts, and teams; defines the playing area, or 3D world, within ROBLOX.
.RSG File Extension RaySupreme Graph CAD BrainDistrict GmbH Unknown Graph created by RaySupreme, a 3D Modeling and rendering program; contains a RaySupreme 3D project graph; holds many customizable features including a motion path tool, scale tool, world light settings, material template filter settings, camera settings, etc.
.RIG File Extension vRigger Design File CAD Iterum Binary File created by vRigger rigging system design software; stores a design for a rope rigging system and can include ropes, pulleys, carabiners, cables, knots, and other rigging data; used for generating illustrations for mountain, industrial, or urban rescue situations, as well as for theatrical environments.
.RHP File Extension Rhino Plug-in Plugin McNeel Unknown Plugin file used by Rhino, a 3D Modeling application; contains data that adds extra functionality to the software; may provide additional 3D editing capabilities or support for importing additional image formats.
.RBZ File Extension SketchUp Plug-in Plugin Trimble Zip Plugin file used by SketchUp, a 3D Modeling program used for computer-aided design (CAD); stores one or more Ruby scripts (.RB files) that are compressed with .ZIP compression; useful for reducing the size of SketchUp plugins when distributing and installing them.
.RFT File Extension Revit Family Template File 3D Image Autodesk Unknown Template for creating a data family in Revit, a building information modeling (BIM) program; used for starting a new family from scratch and may contain several custom 3D Model designs.
.RSR File Extension Poser Model Preview File Raster Image Smith Micro Binary Preview image of a 3D Model created with Poser, a 3D Model rendering and Animation program; provides a thumbnail preview image of the model in the Library palette; saved with the same filename as the file it represents, except for the extension.
.SDB File Extension SAP2000 Model File 3D Image Computers and Structures Unknown 3D Model created with SAP2000, a structural Analysis and design program; contains structural model definitions, material and section properties, static and/or dynamic Analysis parameters, and design data.
.SKM File Extension SketchUp Materials File Raster Image Trimble Zip Textures file used by SketchUp, a drawing program developed by Google; saved in a compressed .ZIP format and contains XML texture property files, a thumbnail .PNG image, and a .JPG texture image; stores 2D graphics that can be layered on 3D Models.
.SM File Extension StepMania Song File Game StepMania Unknown Song file format used by StepMania, a dance and rhythm Game that supports dance pad input; includes song information and references to music and image files; may be used for dance, pump, beat, and guitar songs.
.SAB File Extension ACIS SAB Model File CAD Spatial Binary 3D Model created in the Standard ACIS Binary (SAB) format; saves 3D geometry and structure information for a manufactured component; used for exchanging model information between various CAD programs.
.SC4MODEL File Extension SimCity 4 Model File 3D Image Electronic Arts Binary File used by SimCity 4, a Game where players build cities; contains a 3D Model of a prop or building; used for adding custom objects to a city; can be described with a .SC4DESC file and placed within a lot using a .SC4LOT file.
.STC File Extension Contribute Connection Key File Web Adobe Systems Unknown Connection file created by Contribute, an Adobe program used for website development and publishing; saves the remote host, the connection protocol (e.g., FTP, SFTP, etc.) and the username; enables users to reuse connection information and distribute it among website developers.
.SPD File Extension Form·Z Suspended Render File Misc AutoDesSys Unknown File created by form·Z, a 3D Modeling application often used for creating building and site construction models; stores the state of a scene rendering job and is created when the user pauses a rendering job and saves the progress.
.SPA File Extension MikuMikuDance Sphere Mapping File Raster Image MikuMikuDance Binary 3D Model effects file used by MikuMikuDance, a dance and rhythm synchronization Game; saved as a .BMP image but uses the ".spa" extension instead; used for adding a shiny look to 3D Model features such as hair or clothes.
.SPH File Extension NIST SPHERE Audio File Audio NIST Binary Waveform audio file created in the NIST SPHERE format, which is often used in speech recognition research; often contains a recording of a person speaking; can be provided as input to speech recognition systems.
.SH3D File Extension Sweet Home 3D Design File 3D Image eTeks Unknown Home layout created with Sweet Home 3D, a free interior design application; includes both a 2D and 3D view of the house plan; contains predefined 3D Models that can be custom arranged by the user.
.STEP File Extension STEP 3D Model 3D Image N/A Unknown 3D Model file formatted in STEP (Standard for the Exchange of Product Data), an ISO standard exchange format; used for representing three-dimensional data in a format that can be recognized by multiple programs.
.SKL File Extension Maya Skeleton File 3D Image Autodesk Unknown Three-dimensional skeleton file used by Maya, a 3D Modeling and Animation program; defines the basic structure and movements of a 3D character created with Maya.
.SH3F File Extension Sweet Home 3D Model Library 3D Image eTeks Unknown Collection of 3D Models that can be imported into Sweet Home 3D, a free interior design program; may include Furniture, windows, doors, shelving, lamps, or other household objects.
.S3G File Extension MakerBot 3D Print File 3D Image MakerBot Industries Binary 3D printer file format used by MakerBot desktop 3D printers; contains 3D Model printing instructions.
.SGN File Extension Slax Boot File Data Slax Unknown File used by Slax, a small, portable, open-source Linux operating system; serves as a flag that informs the Slax kernel where its data modules are found; always found with the filename livecd.sgn.
.SST File Extension Serialized Certificate Store File Misc Microsoft Unknown Digital certificate downloaded from a Certificate Authority (CA); installed as a root certificate on Windows computers and is used to validate the identities of websites and software programs; typically saved in a folder along with other .PFX certificate files.
.SZS File Extension Wii Game Data File Data N/A Binary Data File used by Games for the Nintendo Wii; most commonly known for storing 3D Model and texture data for the Wii Game Mario Kart, but also used by other Games for the same kinds of data as well as other types of data; sometimes modified by the homebrew and modding communities to create custom Mario Kart graphics.
.TCW File Extension TurboCAD Drawing File CAD IMSI/Design Unknown Proprietary 2D/3D Vector Graphics format used by TurboCAD, a professional 2D and 3D design program; may contain a 2D layout, a single 3D Model, or an entire 3D scene.
.TRI File Extension FaceGen Polygonal Model File 3D Image Singular Inversions Binary 3D Model file created by FaceGen, an application used to create 3D human faces; contains a polygonal mesh for a human head; may also contain morphs, which are used for facial Animations; often used for creating video Game characters.
.TRI File Extension FaceGen Polygonal Model File 3D Image Singular Inversions Binary 3D Model file created by FaceGen, an application used to create 3D human faces; contains a polygonal mesh for a human head; may also contain morphs, which are used for facial Animations; often used for creating video Game characters.
.TMD File Extension TextMaker Document Text SoftMaker Software Binary Document created by TextMaker, a word processing application that is part of SoftMaker Office; supports text, images, drawn objects, and page formatting properties; used to store authored Documents.
.T3D File Extension Unreal Engine 3D Object File 3D Image Epic Games Text File used by the Unreal Engine, a program that allows to create multi-player first person shooter Games; contains a text list of Unreal map objects, also known as map actors; used to describe different objects and place them in an Unreal map.
.THING File Extension MakerBot Thing File 3D Image MakerBot Industries Zip 3D Model file used by MakerBot Desktop, an application that allows users to send 3D Models to 3D printers; stores multiple .STL files arranged to be printed together; includes an XML manifest.
.TVM File Extension TV3D Model 3D Image Truevision3D Unknown Model format used by TV3D SDK, a 3D Game and application development environment; contains a 3D Model, which includes lights, materials, alpha blending, stages, and shaders properties.
.TCT File Extension TurboCAD Drawing Template CAD IMSI/Design Unknown Drawing template for creating a 2D layout or 3D Model with TurboCAD; may contain a single object or a complex design (such as an entire house), that can be modified by the user; provides a useful starting point when creating a new design rather than starting from scratch.
.TFC File Extension Unreal Engine 3 Texture File Cache Raster Image Epic Games Binary 3D Model file used by Games developed with the Unreal Engine 3 technology; contains streamed textures used for applying the surface appearance to 3D Models, such as characters or other Game objects.
.TDDD File Extension 3D Data Description File 3D Image Impulse Binary Three-dimensional image data file created by Imagine, a an older 3D Modeling and raytracing program; stores 3D objects and optionally obServer data; can be used for for rendering 3D Images from various obServer perspectives.
.TME File Extension Bryce Time File 3D Image DAZ Productions Binary Animation file used by Bryce, a 3D Modeling program; contains motion settings for the Animation of a 3D Model; used for storing default or user-defined custom time curves.
.TEX0 File Extension Wii Texture File Game N/A Binary Texture file used by Nintendo Wii Games such as Mario Kart Wii; typically found within a resource package file (.BRRES) and contains textures that are used to display the surface appearance of 3D Models.
.U3D File Extension Universal 3D File 3D Image 3D Industry Forum Binary 3D CAD file saved in the Universal 3D File Format; standardized by Ecma International as the ECMA-363 standard; contains 3D Model information, including Shapes, textures, lighting, shading, and motion data; supported by many CAD and 3D graphics programs.
.UVW File Extension UVW Coordinates File Data N/A Text File created for Autodesk 3ds Max, a 3D Modeling, rendering, and Animation program; contains mapping coordinates to indicate to the Autodesk 3ds Max program where to cut the .BMP texture map and place it on the object.
.USX File Extension Unreal Static Meshes Game Epic Games Binary 3D Models used for creating arenas for Unreal Games; model shape is static but position, orientation and size can change; created and edited using the Unreal level editor "UnrealEd."
.ULD File Extension Unified Luminaire Data File CAD DIAL Unknown Data File used by DIALux, a professional light planning software for indoor and outdoor lighting; contains data about the lighting specifications of a luminaire, such as the fixture description, fixture image, luminous flux, power consumption, and a 3D Model for viewing; cannot be created by the user, only used for viewing.
.VOB File Extension DVD Video Object File Video N/A Binary Movie data file from a DVD disc, typically stored in the VIDEO_TS folder; contains the majority of data stored on the disc including video, audio, and Subtitles" title="Subtitles">Subtitles; usually formatted as an MPEG-2 system stream and can be opened by various video Playback programs.
.VDF File Extension AntiVir Virus Definitions File Data Avira Operations Binary Data File used by AntiVir, an antivirus application for Windows; saves virus definitions, which contain signatures that are used for recognizing viruses on the computer system; often downloaded during software updates so the software can check for new viruses.
.VTF File Extension 3DESIGN CAD File CAD Vision Numeric Unknown Three-dimensional design created with Vision Numeric 3DESIGN CAD, a real-time jewelry and graphic object creation program; includes 3D Model, surface, and texture data; can be exported to a standard .STL file from within 3DESIGN CAD.
.VOX File Extension Voxlap Voxel Model File 3D Image Ken Silverman Binary 3D Model created in the Voxel format ("VOX" for short), a blocky 3D format used by the Voxlap Game engine; saves the geometry for a Game object, such as a character, building, or a weapon; for used for creating video Game models and can be edited with the Slab6 program.
.VTX File Extension Anim8or 3D Model 3D Image Steve Glanville Unknown Three-dimension model created with Anim8or, a 3D Modeling and Animation program; saved in a basic 3D "vertex" format than is recognized by several other 3D design programs; also supported by Game Maker, a Game development program.
.VS File Extension Vertex Shader File 3D Image N/A Text File used by OpenGL and DirectX applications and Games; saves lighting properties for vertices, which are points in 3D space; enables a 3D Model to have shading effects; saved in a Plain Text format.
.VIV File Extension Need for Speed Car Data File Game Electronic Arts Binary Data File used by Need for Speed 1-3 car racing Games; contains vehicle data such as 3D Models and sounds; used by the Game to load racing cars; sometimes edited by Game modders.
.VAC File Extension Oc2.316s Cakit File Developer N/A Unknown Computer Algebra kit; contains a large set of classes for polynomial computing and arbitrary precision integer arithmetic.
.WFT File Extension GTA 4 Car Model File 3D Image Rockstar Games Binary 3D Model used by Grand Theft Auto IV, an urban city action Game; saves a model of a car that is driven around the city in the Game; may be a preinstalled car model with the Game, or sometimes is a model created by a Game community "modder."
.WRP File Extension Geomagic 3D Wrap File 3D Image Geomagic Unknown Proprietary 3D Modeling format used by Geomagic DSSP (digital shape sampling and processing) software; may contain point clouds, polygonal models, mesh models, CAD models, curves, datums, NURBS data, and other features.
.WEAP File Extension Quake 3 Engine Weapon File Game id Software Text Weapon description file used by id Tech 3 (Quake III engine) Games; contains plain-text definition for Game weapons, including 3D Models, Animations, sounds, and the weapon icon; often used by Game modification packages to store custom weapons.
.WOP File Extension Wonderland Object Preset Game Midnight Synergy Binary Object preset file for Wonderland Adventures Editor, a program used to create and edit levels for Wonderland Adventures; a hex file that contains 3D Models, character movements, logic data, level parameters, and other data.
.X3G File Extension 3D Print File 3D Image MakerBot Industries Binary 3D printer file format used by desktop 3D printers with MakerBot or Sailfish firmwares such as MakerBot Replicator, FlashForge, and Wanhao; contains 3D Model printing instructions.
.XV3 File Extension Lattice XVL Geometry File CAD Lattice Technology Binary File created by Lattice Technology programs, which are used to create Digital Mock Up (DMU) Documentation of 3D Models; contains a model, including its three-dimensional geometry and appearance; used to save and load 3D design data.
.X_T File Extension Parasolid Model Part File CAD Siemens PLM Software Text File created by Parasolid, a CAD Geometric modeling program; contains 3D Model data such as geometry, topology, and color; designed as a standard export format for sharing Parasolid CAD models; saved in text format and can be exported and imported using a variety of other CAD programs.
.XPK File Extension WWE RAW Model File Game THQ Unknown Contains 3D Models that define how characters look in the WWE RAW wrestling Game; can be edited to alter or "mod" the appearance of characters; some common XPK files include tf.xpk, ff.xpk, if.xpk, and sf.xpk.
.YDL File Extension PowerFlip YAODL 3D Image File 3D Image Silicon Graphics Binary 3D Model used by PowerFlip, a program used to view and rotate three-dimensional models; may include polygons, quad-meshes, NURBS, texture coordinates, and object properties; supports colors for objects, facets, and vertices.
.YAODL File Extension PowerFlip 3D Image File 3D Image Silicon Graphics Binary 3D Model used by PowerFlip, a program used to view and spin 3D objects; may contain polygons, NURBS, quad-meshes, object parameters, textures, and colors for objects, facets, and vertexes.
.Z3D File Extension ZModeler 3D File 3D Image Zanoza Binary 3D Image file created by ZModeler, a free 3D Modeling program; stores the three-dimensional geometry of one or more objects; can also include effects such as lighting; most often used for saving models of racing cars and other vehicles.
.ZT File Extension Mental Ray Image Depth File 3D Image Autodesk Unknown Contains a depth map for a 3D Model created with Mental Ray, a high-performance rendering engine for generating photorealistic images; recognized by most Autodesk 3D software programs.
.BR6 File Extension Bryce 6 Scene File 3D Image DAZ Productions Binary 3D scene created by version 6 or later of Bryce, a 3D Modeling application; may include elements such as water, terrain, trees, leaves, and skies; can also include objects, such as humans and animals, as well as lighting properties and other effects.
.B3D File Extension Blitz3D Entity Model File 3D Image Blitz Research Binary 3D Model, or "entity," file used by Blitz3D, an application and simple programming Language used to created 3D Games; stores model information in "chunks;" may contain textures, brushes, vertices, triangles, meshes, bones, or Animation data.
.BLEND File Extension Blender 3D Data File 3D Image The Blender Foundation Unknown 3D Image or Animation project created with Blender, an open source 3D Modeling program; contains 3D mesh data, lighting information, vertex painting, Animation keyframes, NURBS objects, procedural textures, uvmapping layout, and realtime interactivity data; may also store multiple scenes in a single file.
.BLEND1 File Extension Blender Document Backup File Backup Blender Binary Automatically generated Backup file created by Blender, a free 3D Modeling program; stores a copy of the previously saved version of the currently opened .BLEND file; used for recovering the previous version of a BLEND file; can be renamed with the ".blend" extension and opened normally.
.BR7 File Extension Bryce 7 Scene File 3D Image DAZ Productions Binary 3D scene file created by Bryce 7, a 3D Modeling application; often includes environmental elements such as water, terrain, trees, leaves, and skies, but can also 3D Models such as humans and animals; may also contain lighting properties and other visual effects.
.BNK File Extension Adlib Instrument Bank Audio Adlib Unknown Instrument banks accessed by Adlib Visual Composer, a music composition program; designed to be loaded with .ROL files; contains custom instrument data to accompany the ROL files that contain the Notes to play the instruments that make up the scores.
.BMD File Extension MU Online Game Data File Game WEBZEN Binary Game data file used by MU Online, a medieval MMORPG (Massively Multiplayer Online Role-Playing Game); may contain 3D Models, textures, Animations, maps, in-Game text, or other Game data.
.BRO File Extension Broadleaf Tree Model 3D Image Onyx Computing Unknown Three-dimensional model of a tree or bush created with OnyxTREE BROADLEAF software; used for modeling broadleaf trees, bushes, and plants; supports lighting effects, shadows, wind settings, and leaf textures.
.BR4 File Extension Bryce 4 Scene File 3D Image DAZ Productions Binary 3D scene or Animation created with Bryce 4 3D Modeling software; often used to create three-dimensional landscapes with realistic natural elements, such as hills, mountains, water, trees, clouds, sky, etc; may also be used to create basic 3D Models of people or other objects.
.BSA File Extension Bethesda Softworks Archive Game Bethesda Softworks Binary Compressed Game data archive used by Bethesda Softworks video Games; contains 3d models, textures, sounds, and other data referenced by each Game.
.BFM File Extension Terminal Reality Model File Game Terminal Reality Binary Game 3D Model file used by Games created by Terminal Reality, the makers of titles such as Bloodrayne and The Walking Dead: Survival Instinct; saves model information for 3D objects in the Game; can be extracted from a .POD file, which is the Game data container format for Terminal Reality Games.
.BRM File Extension Bryce Plug-in File Plugin DAZ Productions Binary Plug-in file used by multiple versions of Bryce, a 3D Modeling program; contains data that adds new functions to the software; often used for adding support for new 3D Image and video formats.
.BRI File Extension Bryce Plug-in File Plugin DAZ Productions Binary Plug-in file used by Bryce, an application used for 3D Modeling; stores functionality that adds additional features to the program; commonly used for enabling import or export support for new file formats.
.BTO File Extension Bryce Tree File 3D Image DAZ Productions Binary 3D object used by Bryce, a program used for 3D Modeling and scene generation; contains a 3D Model of a tree that can be added to a larger scene; used for generating landscapes with specific types of trees, such as pine, birch, or maple trees.
.BRT File Extension Bryce Textures File Raster Image DAZ Productions Binary Image file used by Bryce, a program used to created 3D Models and landscapes; contains a 2D graphic that can be fitted to the skeleton of a 3D Model; used for painting, or texturizing, 3D Models.
.BMI File Extension 3ds Max Plug-in Plugin Autodesk Binary Plug-in used by 3ds Max, a 3D Modeling and Animation program; stores a function or procedure that adds a new feature to the software; sometimes used for supporting new file format import or export options.
.BLEND2 File Extension Blender Document Backup 2 File Backup Blender Binary Automatically generated Backup file created by Blender, an open source 3D Modeling application; stores a Backup copy of a .BLEND Document from the past save operation two saves ago; contains the saved version prior to the .BLEND1 Backup file, which is the immediate Backup version of the BLEND Document.
.3DA File Extension 3D Assembly File 3D Image Files N/A Text Three-dimensional model created by various 3D modeling programs; stores a model in a plain text format, where each line of text specifies the vertices that determine the shape of the object.
.DMX File Extension Source Filmmaker Project File Video Valve Unknown Project file created by Source Filmmaker (SFM), a program used for making 3D movies and still images for use with Valves Source game engine; saves a 3D recording created by the user and can be comprised of game map objects, models, animations, sounds, effects, and other 3D model data; often contains a recording of actual gameplay.
.FACEFX File Extension FaceFX Actor File 3D Image OC3 Entertainment Unknown 3D model file created with FaceFX, a program used for constructing facial animations from audio data; stores 3D facial bone coordinates, face graph nodes and links, and animation keys; used in video games for animating the facial expressions of virtual characters.
.FORGE File Extension Assassin s Creed Game Data File Game Ubisoft Unknown Container format that stores game data used by Assassins Creed, a third-person action/adventure game; may contain level data, 3D models, textures, and sounds that are used in the game; saved in a proprietary format that is not meant to be opened by the user.
.FXA File Extension OC3 Entertainment FaceFX Actor File 3D Image O3 Entertainment Binary 3D model file created using older versions of FaceFX, an application used to build facial animations from audio files; contains 3D facial bone positions, face graph nodes and links, and animation keys; commonly used in video games for animating facial expressions on virtual characters.
.HIPNC File Extension Houdini Apprentice File 3D Image Side Effects Software Text and Binary 3D image file created by Houdini Apprentice, the trial version of the full Houdini 3D modeling software; stores three-dimensional objects and animation properties for a scene; can be rendered with the software, but at a reduced resolution from the full version; often used in educational settings or by artists for personal portfolio development.
.LXO File Extension Luxology modo 3D Image 3D Image Luxology Unknown 3D image created by Luxology modo, a 3D modeling, animation, and rendering program; used for storing 3D scenes generated in the software; can be used for rendering high resolution images and animations on a single computer or on a network of computers.
.LWO File Extension LightWave 3D Object File 3D Image NewTek Binary Three-dimensional object created by LightWave 3D, a program used for 3D modeling, animation, and rendering; contains points, polygons, and surfaces that describe the objects shape and appearance; may also contain references to image files used for object textures.
.MEL File Extension Maya Embedded Language File Executable Autodesk Unknown Script file containing code written in the Maya Embedded Language (MEL); developed for Maya 3D modeling and animation software; can be used to create macros and custom actions that speed up repetitive tasks.
.MRML File Extension 3D Slicer Scene Description File 3D Image BWH XML 3D scene file created by 3D Slicer (or "Slicer"), a free 3D modeling and visualization program used to create medical images; saved using the Slicer MRML XML format; includes references to 3D datasets and scene properties, which are used to construct the 3D scene.
.M3 File Extension Blizzard MDX3 Model File 3D Image Blizzard Entertainment Binary 3D model used by StarCraft II: Wings of Liberty, a sci-fi real-time strategy game; created in Blizzards MDX3 format, which is the successor to the .MDX file format used in Warcraft 3 and the .M2 format used in World of Warcraft; used for storing models for game units and structures for the Protoss, Terran, and Zerg races; also used for other game objects.
.MC5 File Extension Poser 5 Material File 3D Image Smith Micro Unknown Contains material or texture information used by Posers rendering engine; can be applied to 3D models and offers a greater scale of effects than Poser MAT pose (.PZ2) files; only accessible from the Library within the Material Room.
.MCZ File Extension Compressed Poser Material File 3D Image Smith Micro Unknown Compressed material information file used by Posers rendering engine; contains textures that can be applied to 3D models created with Poser; accessible only from the Library within the Material Room.
.NSBTX File Extension Nintendo DS Model Texture File Game N/A Unknown Texture file that can be applied to a Nintendo DS model (.NSBMD file); contains textures saved in a bitmap image format; can be mapped onto a 3D model to alter the appearance of the models surface.
.PDO File Extension Pepakura Designer File Data Tama Software Binary A PDO file is a digital origami file created by Pepakura Designer, a program that allows user to generate paper craft models from 3D model data. It contains a 3D model and its corresponding 2D paper cutout, which stores the paper models folding lines, cuts, and patterns. PDO files are used for printing the design on paper, which can then be folded and glued into the original 3D model.
.RCS File Extension RandomControl Scene File 3D Image RandomControl Binary 3D scene file used by RandomControl software products such as fryrender and Arion; stores a scene exported from a 3D modeling software application (that has the fryrender or Arion plugin); used for storing the scene in a format that can be submitted to the rendering engine.
.SAT File Extension ACIS SAT 3D Model File CAD Spatial Text 3D model saved in Spatials ACIS solid modeling format; stores three-dimensional geometry information in a standard text file format; used for exchanging 3D data between multiple systems and is supported by many 3D CAD programs that include Spatials 3D ACIS Modeler component.
.STYLE File Extension SketchUp Style Settings Trimble Binary Sketch style that can be applied to a drawing created with Google SketchUp, a 3D modeling program; examples include wavy pencil lines, graphite stick marks, or quick pen strokes; often used to make a CAD model look hand-drawn.
.SKB File Extension SketchUp Backup Document Backup Trimble Unknown Backup of a 3D model created with SketchUp (.SKP file); saved automatically using the programs auto-save feature; created as a backup in case the original file becomes corrupted or is accidentally deleted.
.UPK File Extension Unreal Engine 3 Package Game Epic Games Binary File used by Unreal Engine 3, a free gaming engine used to develop popular games such as Unreal Tournament 3, Mass Effect, Mirrors Edge, and BioShock; serves as a file container which includes various types of game files; may contain 3D models, textures, maps, music files, game settings, and other files.
.VPD File Extension MikuMikuDance Vocaloid Pose Data File 3D Image MikuMikuDance Binary 3D model file used by MikuMikuDance, a dance and rhythm synchronization game; saves bone positions for a characters model, which give it a pose; can be used in a series of poses that make up a dance animation (.VMD file).
.W3D File Extension Adobe Shockwave 3D File 3D Image Adobe Systems Binary File used by Adobe Director, a program used for making interactive multimedia content for the Web, CDs, and DVDs; stores a 3D scene and/or animation that was exported from a third-party 3D modeling program and then imported into Adobe Director for publishing online.
.BPHYS File Extension Blender Cache File Data The Blender Foundation Binary Cache file created by Blender, an open source 3D modeling program; contains particle point data, such as a particles velocity vector, location vector, and rotation quaternion; created when rendering animations or scenes in Blender.


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