387 fidget spinners

Fidget spinner that hold 3/8 nuts x 7 and one 608 skate bearing. When I printed in ABS the parts fit in nice and tight without the need for glue. The model with nubs allows you to put a dab of abs cement on the threads of a 3/8 nut and twist them on. You may want to shave a tiny bit off the corners of the nubs to make this easier. Both models make nice little compact spinners that are also economical (since 3/8 nuts are very inexpensive). Sorry if you live in a primarily metric area. Hey, it's