Input format comprises a solid surface or (NURBS) information.
| |  |  |
| Name | STEP | Kompas CAD Part File |
| File extension | .stp, .step | .m3d |
| Original software | | Kompas-3D |
| Binary | ■ | ■ |
| ASCII | ■ | |
| Polygonal | | ■ |
| NURBS | ■ | ■ |
| Solids | | ■ |
| Smoothing groups | ■ | ■ |
| Textures, materials | | ■ |
| Developer/Owner | ISO | Kompas-3D |
| Description | | |
| Specification | Download PDF | |
| Format features | The basic format of the transfer surfaces between CAD-systems. See also IGES | Part file of russian CAD system Kompas-3D |
| Viewing software | Delcam Exchange 2012 (free), eDrawings (free) | Kompas-3D Viewer |
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