The FoxTrot
thingiverse
While this thing totally works, it has been superseded by The Foxtrot Mk II, here: https://www.thingiverse.com/thing:5357578 A reverse engineer of the coconut clopper from trotify.com. Pretty simple mechanism. Assemble with 8mm or 5/16 bolts (whatever they sell near you) with jam nuts and washers where necessary. There is now also a choice between "trot" and "canter". Use the two-tooth eccentric wheel for trot, and the three-tooth for canter. If you print this whole thing without first printing the test fit ring for the bolts, don't blame me if it won't spin.
With this file you will be able to print The FoxTrot with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on The FoxTrot.