FidgetRuler 100mm 608zz

Who says you can't have a finger spinner/gadget that also serves as a ruler? Well You have here a single spinner for a 608zz bearing that has marks on its edge so that every mark you roll the fidget (i.e. on a table) you get 10mm distance. There is a greater mark that measures 100mm and small ones for 5mm each. I have also included convenient locks for the bearing.

The spinner radius is 15,92mm so that Diameter=15.92 x 2 x pi ~ 100.0 mm. Not a precision caliper but, hey it prints fast (30 min