Name | Initial Graphics Exchange Specification | Wavefront Object |
File extension | .igs, .iges | .obj |
Original software | ||
Binary | ■ | |
ASCII | ■ | |
Polygonal | ■ | |
NURBS | ■ | |
Solids | ||
Smoothing groups | ■ | ■ |
Textures, materials | ■ | |
Developer/Owner | U.S. National Bureau of Standards | Autodesk |
Description | ||
Specification | Download PDF | |
Format features | Universal open interchange NURBS-surfaces format. Along with STEP - one of the most popular | One of the most common interchange formats polygonal data. It is understood by almost all the three-dimensional programs |
Viewing software | Delcam Exchange 2012 (free), eDrawings (free) | GLC_Player (free), MeshLab (free) |