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| Name | SketchUp Document | SolidWorks Assembly File | 
| File extension | .skp | .sldasm | 
| Original software | SketchUp | SolidWorks | 
| Binary | ■ | ■ | 
| ASCII | ||
| Polygonal | ■ | ■ | 
| NURBS | ■ | |
| Solids | ■ | |
| Smoothing groups | ■ | ■ | 
| Textures, materials | ■ | ■ | 
| Developer/Owner | Trimble | Dassault Systemes | 
| Description | ||
| Specification | ||
| Format features | Makefile CAD system SolidWorks | |
| Viewing software | SketchUp Viewer (free) | SolidWorks Viewer 2011 (free), eDrawings (free) |