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| Name | SolidWorks Part File | Universal 3D File | 
| File extension | .sldprt | .u3d | 
| Original software | SolidWorks | |
| Binary | ■ | ■ | 
| ASCII | ||
| Polygonal | ■ | ■ | 
| NURBS | ■ | |
| Solids | ■ | |
| Smoothing groups | ■ | ■ | 
| Textures, materials | ■ | ■ | 
| Developer/Owner | Dassault Systemes | 3D Industry Forum, Ecma International | 
| Description | ||
| Specification | Universal 3D File Format | |
| Format features | Part file CAD system SolidWorks | Attempt to create a universal format for the exchange of 3D-data, including for publishing on the Internet. One of the successors of obsolete format WRL (VRML) | 
| Viewing software | SolidWorks Viewer 2011 (free), Delcam Exchange 2011 R2 (free), eDrawings (free) | GLC_Player (free), MeshLab (free) |