File created by CADKEY Wireframe, a program used to construct three-dimensional CAD wireframes; contains a 3D wireframe, including lines, measurements, and geometry; used to visualize and store design information for a 3D product.
Library file used by ConceptDraw PRO, a technical diagramming tool; contains new shapes or objects that can be used in a diagram; used for saving and distributing shape libraries. CDL files can be opened by selecting File ? Library ? Open... in ConceptDraw PRO.