 
 MEDIUM
 MEDIUM |  |  | |
| Name | SolidWorks Part File | NX Part/Assembly File | 
| File extension | .sldprt | .prt | 
| Original software | SolidWorks | NX (Unigraphics) | 
| Binary | ■ | ■ | 
| ASCII | ||
| Polygonal | ■ | ■ | 
| NURBS | ■ | ■ | 
| Solids | ■ | ■ | 
| Smoothing groups | ■ | ■ | 
| Textures, materials | ■ | ■ | 
| Developer/Owner | Dassault Systemes | Siemens | 
| Description | ||
| Specification | ||
| Format features | Part file CAD system SolidWorks | |
| Viewing software | SolidWorks Viewer 2011 (free), Delcam Exchange 2011 R2 (free), eDrawings (free) | Delcam Exchange 2012 (free) |