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| Name | AutoCAD Drawing | Polygon Model File |
| File extension | .dwg | .ply |
| Original software | AutoCAD | |
| Binary | ■ | |
| ASCII | ■ | |
| Polygonal | ■ | ■ |
| NURBS | ■ | |
| Solids | ■ | |
| Smoothing groups | ■ | |
| Textures, materials | ■ | |
| Developer/Owner | Autodesk | |
| Description | ||
| Specification | PLY - Polygon File Format | |
| Format features | Despite the « two-dimensional » AutoCAD specialization, it is possible to create solid models. Autodesk itself for three-dimensional modeling software promotes Inventor | Amoung with STL, it is one of the most simple formats for storing polygonal information |
| Viewing software | DWG TrueView (free), DWGSee (free) | GLC_Player (free), MeshLab (free) |