Name | Initial Graphics Exchange Specification | Rhino OpenNURBS |
File extension | .igs, .iges | .3dm |
Original software | Rhinoceros 3D | |
Binary | ■ | |
ASCII | ■ | |
Polygonal | ■ | |
NURBS | ■ | ■ |
Solids | ■ | |
Smoothing groups | ■ | ■ |
Textures, materials | ■ | |
Developer/Owner | U.S. National Bureau of Standards | Robert McNeel & Associates |
Description | ||
Specification | Download PDF | OpenNURBS |
Format features | Universal open interchange NURBS-surfaces format. Along with STEP - one of the most popular | The format of the first NURBS-Modeling software for Windows. Is currently open, so there are converters from/to lots of formats |
Viewing software | Delcam Exchange 2012 (free), eDrawings (free) | Deep View (free) |