The file 'Asymmetric Balanced Fidget Spinner: Penny, Nickel, Quarter 3D Printer Model' is (stl) file type, size is 263.7KB.
https://youtu.be/azr-qgd7Hsg
There is more than meets the eye with this fidget spinner. It is balanced even though it has 3 different weights. The calculation that went in to figuring out what angles each lobe needed to be in relation to each other is pretty neat.
HughesFidgetOddBalancedV2.stl | 2.3MB |