CCM

CCM is the model file format for CopyCAD, a program from Delcam (apparently acquired by Autodesk, since their website redirects there) for reverse-engineering the design of 3D objects. Other formats used by this program include CCC, CCS, DGK, and DMT.

Links

 * Autodesk site that delcam.com redirects to
 * Delcam's CopyCAD Offers High-Quality CAD From Poor-Quality Data
 * Delcam’s CopyCAD Pro Reverse Engineering Software Adds Parasolid