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| Name | Inventor Part | HOOPS Stream Format |
| File extension | .ipt | .hsf |
| Original software | Autodesk Inventor | |
| Binary | ■ | ■ |
| ASCII | ||
| Polygonal | ■ | |
| NURBS | ■ | |
| Solids | ■ | |
| Smoothing groups | ■ | ■ |
| Textures, materials | ■ | ■ |
| Developer/Owner | Autodesk | Tech Soft 3D |
| Description | ||
| Specification | Open HSF doc | |
| Format features | One attempt to create « universal » 3D-format for publishing CAD-models. To date, work on improving it stopped | |
| Viewing software | Autodesk Inventor View 2011 (free) | Hoops Publish |