MEDIUM ![]() | ![]() | |
| Name | AutoCAD Drawing | Rhino OpenNURBS |
| File extension | .dwg | .3dm |
| Original software | AutoCAD | Rhinoceros 3D |
| Binary | ■ | |
| ASCII | ||
| Polygonal | ■ | ■ |
| NURBS | ■ | ■ |
| Solids | ■ | ■ |
| Smoothing groups | ■ | ■ |
| Textures, materials | ■ | ■ |
| Developer/Owner | Autodesk | Robert McNeel & Associates |
| Description | ||
| Specification | OpenNURBS | |
| Format features | Despite the « two-dimensional » AutoCAD specialization, it is possible to create solid models. Autodesk itself for three-dimensional modeling software promotes Inventor | The format of the first NURBS-Modeling software for Windows. Is currently open, so there are converters from/to lots of formats |
| Viewing software | DWG TrueView (free), DWGSee (free) | Deep View (free) |