Gear spinner w bearing weights MkII (smaller)

This is a modified version of my larger bearings based gear spinner (https://www.thingiverse.com/thing:2573103).

I've used skate board bearing sized holes (608) both for the actual bearing and for the weights. As I don't like wasting bearings as weights I use different "adapters" for my prints - the bearing2hexnut adapter (https://www.thingiverse.com/thing:2044157) and my own bearing2marble adapter (https://www.thingiverse.com/thing:2573118) for the version in the photo.

The steampunky des