 
 HIGH
 HIGH |  |  | |
| Name | SketchUp Document | NX Part/Assembly File | 
| File extension | .skp | .prt | 
| Original software | SketchUp | NX (Unigraphics) | 
| Binary | ■ | ■ | 
| ASCII | ||
| Polygonal | ■ | ■ | 
| NURBS | ■ | |
| Solids | ■ | |
| Smoothing groups | ■ | ■ | 
| Textures, materials | ■ | ■ | 
| Developer/Owner | Trimble | Siemens | 
| Description | ||
| Specification | ||
| Format features | ||
| Viewing software | SketchUp Viewer (free) | Delcam Exchange 2012 (free) |