Gravity Battery
Description
you can see a video of this here https://youtu.be/aFlfdxfgvk8 to finish this you will need to look at thing https://www.thingiverse.com/thing:6211543 in addition you will need 4 x 12mm steel ball bearings and two barbell weights one at 1.25kg and one at 2.5kg
Statistics
Likes
4
Downloads
27