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Product information
  • Name: OpenCTM
  • Purpose: Compressed 3D file format
  • Last updated: 2010-01-15
  • Current version: 1.0.3
  • Status: Released
  • OS: Windows, Linux, Mac OS X, etc.
  • Forum
  • Report bugs
  • Feature list
  • Product info
  • Maintainer: unknown
  • Contact for technical issues:


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OpenCTM is a file format, a software library and a tool set for compressed 3D triangle meshes. It is open, portable, easy to use, and offers a flexible data structure with support for many different vertex attributes, including customizable shader specific attributes.

Included in the SDK is an OpenGL based 3D file viewer and a command line file converter that supports viewing of and conversion to and from COLLADA (triangulated), and many other formats (OBJ, 3DS, PLY, STL, LWO, OFF and of course OpenCTM).