Most popular file extensions used for 3D graphics file formats and 3D software, CAD/CAM software etc.
| .3ds | 3D Studio Mesh |
| .max | 3D Studio Max |
| .prj | 3D Studio Project |
| .shp | 3D Studio Shape |
| .dwg, .dwf | AutoCAD |
| .amc, .asf | Acclaim M. C. |
| .c | OpenGL C Code |
| .tri | Alias Triangle |
| .3dm, .3dmf | Apple 3DMF |
| .ima | Imagine |
| .iges | Initial Graphics |
| .fbx | Filmbox |
| .lp .ls | LightscapeSolution |
| .lwo, .lws | Lightwave |
| .pov | POV Ray |
| .ma, .mb | Autodesk Maya |
| .lxo | Modo |
| .car | Daz3D Carrara |
| .rib | Renderman RIB |
| .3dm |
Rhino-3D |
| .w3d | Shockwave-3D |
| .stl | StereoLithography |
| .vis | Strata StudioPro |
| .cob, .scn | trueSpace |
| .vet | Viewpoint VET |
| .wrl, .iv | VRML, Inventor |
| .obj | Wavefront OBJ |
| .xg | XGL |
| .bvh | Biovision M. C. |
| .fact | Electric Image |
| .gof | GameExchange |
| .hsf | HOOPS web |
| .x | DirectX |
