MEDIUM ![]() | ![]() | |
| Name | AutoCAD Drawing | STEP |
| File extension | .dwg | .stp, .step |
| Original software | AutoCAD | |
| Binary | ■ | |
| ASCII | ■ | |
| Polygonal | ■ | |
| NURBS | ■ | ■ |
| Solids | ■ | |
| Smoothing groups | ■ | ■ |
| Textures, materials | ■ | |
| Developer/Owner | Autodesk | ISO |
| Description | ||
| Specification | Download PDF | |
| Format features | Despite the « two-dimensional » AutoCAD specialization, it is possible to create solid models. Autodesk itself for three-dimensional modeling software promotes Inventor | The basic format of the transfer surfaces between CAD-systems. See also IGES |
| Viewing software | DWG TrueView (free), DWGSee (free) | Delcam Exchange 2012 (free), eDrawings (free) |