The input format in most cases contains a solid information, but also allows you to store surface (NURBS), and polygons.
| |  |  |
| Name | Rhino OpenNURBS | Kompas CAD Part File |
| File extension | .3dm | .m3d |
| Original software | Rhinoceros 3D | Kompas-3D |
| Binary | ■ | ■ |
| ASCII | | |
| Polygonal | ■ | ■ |
| NURBS | ■ | ■ |
| Solids | ■ | ■ |
| Smoothing groups | ■ | ■ |
| Textures, materials | ■ | ■ |
| Developer/Owner | Robert McNeel & Associates | Kompas-3D |
| 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 | Part file of russian CAD system Kompas-3D |
| Viewing software | Deep View (free) | Kompas-3D Viewer |
We'll help you to carry out the conversion of the file of any size and geometric complexity
