About this 3D model
Quad Hex Nut Cat Spinner Update 2017-03-20: Use Cat (pick-a-weight) Fidget Spinner for more choices for weights and number of cats update 2017-02-08 added metric nut (M8) version compact easy to print uses 4X 5/16" hex nuts uses 1X 608zz (22x7) bearing my prints of this thing spin really well