Name | Initial Graphics Exchange Specification | STEP |
File extension | .igs, .iges | .stp, .step |
Original software | ||
Binary | ■ | |
ASCII | ■ | ■ |
Polygonal | ||
NURBS | ■ | ■ |
Solids | ||
Smoothing groups | ■ | ■ |
Textures, materials | ||
Developer/Owner | U.S. National Bureau of Standards | ISO |
Description | ||
Specification | Download PDF | Download PDF |
Format features | Universal open interchange NURBS-surfaces format. Along with STEP - one of the most popular | The basic format of the transfer surfaces between CAD-systems. See also IGES |
Viewing software | Delcam Exchange 2012 (free), eDrawings (free) | Delcam Exchange 2012 (free), eDrawings (free) |