It is a reference for mechanical and manufacturing engineers, designers, draftsmen, toolmakers, and machinists. The museum's toolmakers work collaboratively with craftsmen throughout the world building miniature projects. They were both toolmakers and engineers. The museum houses a precision machine shop staffed by volunteer master toolmakers. These will often be made to order by the toolmakers, or a related skilled tradesman. Simultaneously demand for high quality toolmakers are also growing rapidly. The competitive advantages that resulted from this required intensive cooperation with the toolmakers.