Good News: The prototype has taken shape and looks workable.
The not so good news: I will have to leave it for my flight. Baggage allowance has exceeded.
Any volunteers who would like to see it come to life?
The files are as follows:
BYJ stepper.stl (41.2 KB)
involute_gear 23 teeth.dxf (155.6 KB)
involute_gear 34 teeth.dxf (172.4 KB)