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| Name | Inventor Part | Blender |
| File extension | .ipt | .blend |
| Original software | Autodesk Inventor | Blender |
| Binary | ■ | ■ |
| ASCII | ||
| Polygonal | ■ | |
| NURBS | ■ | ■ |
| Solids | ■ | |
| Smoothing groups | ■ | ■ |
| Textures, materials | ■ | ■ |
| Developer/Owner | Autodesk | Blender |
| Description | ||
| Specification | ||
| Format features | Open source project with a lot of features and plugins | |
| Viewing software | Autodesk Inventor View 2011 (free) | Blender (free) |