MEDIUM ![]() | ![]() | |
| Name | Rhino OpenNURBS | ACIS SAT Model File |
| File extension | .3dm | .sat, .sab, .asat, .asab |
| Original software | Rhinoceros 3D | |
| Binary | ■ | ■ |
| ASCII | ■ | |
| Polygonal | ■ | |
| NURBS | ■ | ■ |
| Solids | ■ | ■ |
| Smoothing groups | ■ | ■ |
| Textures, materials | ■ | |
| Developer/Owner | Robert McNeel & Associates | Spatial |
| Description | ||
| Specification | OpenNURBS | Download PDF |
| Format features | The format of the first NURBS-Modeling software for Windows. Is currently open, so there are converters from/to lots of formats | File geometric kernel ACIS. Is used by CAD-systems such as AutoCAD, Inventor |
| Viewing software | Deep View (free) | RADF Viewer (free), Delcam Exchange 2012 (free) |