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| Name | AutoCAD Drawing | Wavefront Object |
| File extension | .dwg | .obj |
| Original software | AutoCAD | |
| Binary | ■ | |
| ASCII | ||
| Polygonal | ■ | ■ |
| NURBS | ■ | |
| Solids | ■ | |
| Smoothing groups | ■ | ■ |
| Textures, materials | ■ | ■ |
| Developer/Owner | Autodesk | Autodesk |
| Description | ||
| Specification | ||
| Format features | Despite the « two-dimensional » AutoCAD specialization, it is possible to create solid models. Autodesk itself for three-dimensional modeling software promotes Inventor | One of the most common interchange formats polygonal data. It is understood by almost all the three-dimensional programs |
| Viewing software | DWG TrueView (free), DWGSee (free) | GLC_Player (free), MeshLab (free) |