Useless Waiting Machine

Have you ever been in a boring conversation and had to wait until the conversation was over? Just in time for the holidays, The Waiting Machine is here to solve this issue for you.

Simple design with an easy to turn handle can provide hours of fun. The original design of the fingers is from GrabCAD: https://grabcad.com/library/human-left-hand

Printed Items (Support Y/N):
1x BigCap (N)
2x SmallCap (N)
5x CamShaftv0 (N)
1x Crank (Y)
1x Housing (N)
--- Fingers ---
1x Index (Y)
1x Midd