Deadly Wave Fidget Spinner (pick-a-weight)

Deadly Wave Fidget Spinner (pick-weight)
update 2017-09-29 allow for ISO 4032 M10 (16mm) and M12 (18mm) hex nuts along with the old DIN 934 M10 (17mm) and M12 (19mm).
update 2017-07-21 allow for the concave edge to be beveled (edges=double)
update 2017-06-08 made the blades a little narrower for easier spinning
update 2017-05-24 add option for 1 inch loose ball bearings (but the result is around 94mm)Easy to Customize
type of weight: 5/16, 3/8, M8, M10 hex nut, 5/16, 3/8, 1/2, 5/8 loose bal