The ctm file extension is associated with OpenCTM, a file format, a software library and a tool set for compression of 3D triangle meshes, by Marcus Geelnard.
The ctm file extension is associated with Maxagrind CTM files. This entry was verified by File-Extensions.org team. In time of research, there was not any internet resource to find out what kind of file type it is.
File created by CrazyTalk, a program that allows users to transform images into talking character animations; contains a base image, a background, and "rigging" settings, which are user-specified locations of facial features; used to create talking faces that automatically speak with audio.
Map file used by Star Wars Republic Commando, a first-person shooter game that uses the Unreal Engine gaming technology; contains a game level, including terrain, buildings, obstacles, spawn points, and items; can be used to store custom maps.