 
 LOW
 LOW |  |  | |
| Name | NX Part/Assembly File | WRL (VRML Worlds) | 
| File extension | .prt | .wrl, .vrml | 
| Original software | NX (Unigraphics) | |
| Binary | ■ | |
| ASCII | ■ | |
| Polygonal | ■ | ■ | 
| NURBS | ■ | |
| Solids | ■ | |
| Smoothing groups | ■ | ■ | 
| Textures, materials | ■ | ■ | 
| Developer/Owner | Siemens | |
| Description | ||
| Specification | ||
| Format features | Today is considered obsolete, although still used | |
| Viewing software | Delcam Exchange 2012 (free) | GLC_Player (free), MeshLab (free) |