A small kinetic machine for 7 mm steel ball bearings
https://www.youtube.com/watch?v=cD-oM719Wbk
printed on Sunhokey prusa i3
slicer - Simplify 3d
layer height 0.3 mm
100% infill
white PLA 200 C
orange PET 210 C
parts used
M3 x 45 mm screw + 2 M3 x 6mm washers+ M3 nut
international links
Bearings - http://www.rcbearings.com/products/mr63zz-3-x-6-x-2-5-bearing.html
switch - http://picclick.co.uk/6Pcs-AC-125V-6A-3-Pins-SPDT-2-191732975829.html
motor - https://www.pololu.com/product/3069
AA battery box - http://www.batteryholders.com/part.php?pn=BCAAL&original=AA&override=AA