This is a class I taught as an adjunct teacher at BYU. The professors asked me to make the class a light workload for the students by not having them design anything, just make stuff. This is one of the things I designed and helped the students make using 3D printing, milling, and painting.
The following screenshots show the various pieces. They are not intended to represent design for manufacture. Rather they are simplified pieces to make an appearance prototype, with the only function being a clicking button and a pivoting hinge.
Models completed by the students: