# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
2 File Associations

.IGS File Extension

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IGES Drawing File
3.5 (8 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryCAD Files
File Format Description

2D/3D vector graphics format based on the Initial Graphics Exchange Specification (IGES); used by many CAD programs as a standard ASCII text-based format for saving and exporting vector data; can store wireframe models, surface or solid object representations, circuit diagrams, and other objects.

The IGES format was introduced in 1979 and became the standard for transferring three-dimensional models between CAD programs. In recent years, however, it has been replaced by the newer .STP format.

Program(s) that open .IGS files
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FreeCAD Icon FreeCADExternal Link
Updated 8/20/2013

Indigo Renderer Scene File Icon
File TypeIndigo Renderer Scene File
DeveloperGlare Technologies
3.4 (11 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
Category3D Image Files
File Format Description

3D scene used by Indigo Renderer, an application used for generating photorealistic images; often saved as an export from another 3D modeling package that has the Indigo Renderer plug-in, including Blender, 3ds Max, Cinema 4D, Maya, SketchUp, or Revit.

Once a 3D scene has been imported into Indigo Renderer, it can be rendered into a final image. The software supports GPU acceleration so that images can be generated more quickly.

Program(s) that open .IGS files
Updated 7/19/2012