HIGH  |  | |
| Name | Silo model | STEP |
| File extension | .sia | .stp, .step |
| Original software | Silo | |
| Binary | ■ | ■ |
| ASCII | ■ | |
| Polygonal | ■ | |
| NURBS | ■ | |
| Solids | ||
| Smoothing groups | ■ | ■ |
| Textures, materials | ||
| Developer/Owner | Nevercenter | ISO |
| Description | ||
| Specification | Download PDF | |
| Format features | The basic format of the transfer surfaces between CAD-systems. See also IGES | |
| Viewing software | Silo | Delcam Exchange 2012 (free), eDrawings (free) |
