Spinner models
thingiverse
A few extra blueprints need to be added. Check out the prior submission for guidelines: https://www.thingiverse.com/thing:2408999\ These designs appear to be tailored for use with 608 bearings.
Download Model from thingiverse
With this file you will be able to print Spinner models with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Spinner models.