Modified wizard23's OpenSCAD code, to use a three-jaw chuck instead of the crank.
Music Box: https://github.com/wizard23/ParametrizedMusicBox (or https://www.thingiverse.com/thing:53235), Video shows Bjorndw's "Happy Birthday" version (https://www.thingiverse.com/thing:3099050).
https://vimeo.com/384866103