HIGH ![]() | ![]() | |
| Name | Softimage XSI 3D Image | NX Part/Assembly File |
| File extension | .xsi | .prt |
| Original software | XSI | NX (Unigraphics) |
| Binary | ■ | ■ |
| ASCII | ||
| Polygonal | ■ | ■ |
| NURBS | ■ | |
| Solids | ■ | |
| Smoothing groups | ■ | ■ |
| Textures, materials | ■ | ■ |
| Developer/Owner | Siemens | |
| Description | ||
| Specification | ||
| Format features | ||
| Viewing software | XSI | Delcam Exchange 2012 (free) |