Precise 3D engineering data file containing models and drawings created with Kubotek software such as KeyCreator and KeyMachinist; may include wireframes, toolpaths, and fully surfaced models. The CKD format was first used by CADKEY Workshop V20 in 2001. CADKEY was bought by Kubotek and renamed KeyCreator in 2003.
File extension is used by CADKEY. Design file.