LOW ![]() | ![]() | |
| Name | NX Part/Assembly File | Autodesk FBX Interchange File |
| File extension | .prt | .fbx |
| Original software | NX (Unigraphics) | |
| Binary | ■ | ■ |
| ASCII | ||
| Polygonal | ■ | ■ |
| NURBS | ■ | |
| Solids | ■ | |
| Smoothing groups | ■ | ■ |
| Textures, materials | ■ | ■ |
| Developer/Owner | Siemens | Autodesk |
| Description | ||
| Specification | ||
| Format features | Universal exchange format for Autodesk products | |
| Viewing software | Delcam Exchange 2012 (free) | Deep View (free) |