MEDIUM ![]() | ![]() | |
| Name | NX Part/Assembly File | Creo Part File |
| File extension | .prt | .prt |
| Original software | NX (Unigraphics) | Creo (Pro/ENGINEER) |
| Binary | ■ | ■ |
| ASCII | ||
| Polygonal | ■ | ■ |
| NURBS | ■ | ■ |
| Solids | ■ | ■ |
| Smoothing groups | ■ | ■ |
| Textures, materials | ■ | ■ |
| Developer/Owner | Siemens | PTC |
| Description | ||
| Specification | ||
| Format features | ||
| Viewing software | Delcam Exchange 2012 (free) | Creo Elements/View Express (free), Delcam Exchange 2012 (free) |