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