- The printed parts - 6 threaded rods (Default is M8, 4x250mm, 1x235mm, 1x255mm) - 24 nuts + 4 nylstop nuts (Same size as rods) - 4 bearings (Same inner diameter as rods, I am using 698 bearings) - 1 motor (12V / 100RPM -- 5000RPM motor with 1:50 gearbox) - For the tumbler: drain pipe coupler