This is a set of gears of my own design. A frame and all parts necessary are included. There is a place to mount a small electric motor and it ca...

These rings were printed in frosted ultra detail and turn as hoped.  I painted two of them to see how that would turn out.  The ring part...

Shaft tester suggestion- without shafts so you can see the hole suggestions

This model tests the ability of FUD to print freely moving shafts. The spacings (marked on each tab) range from 0.04mm to 0.15mm. The holes have sh...