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| Name | ACIS SAT Model File | Softimage XSI 3D Image | 
| File extension | .sat, .sab, .asat, .asab | .xsi | 
| Original software | XSI | |
| Binary | ■ | ■ | 
| ASCII | ■ | |
| Polygonal | ■ | |
| NURBS | ■ | |
| Solids | ■ | |
| Smoothing groups | ■ | ■ | 
| Textures, materials | ■ | |
| Developer/Owner | Spatial | |
| Description | ||
| Specification | Download PDF | |
| Format features | File geometric kernel ACIS. Is used by CAD-systems such as AutoCAD, Inventor | |
| Viewing software | RADF Viewer (free), Delcam Exchange 2012 (free) | XSI |