Kururin rolling sticks
thingiverse
Human beings love to roll end over end and are a very fun fidget toy, often crafted from wood using a lathe. Check out this video to see how it's done: https://www.youtube.com/watch?v=GZ_oxNaSLyk - at the 11-minute mark, you'll find instructions on adding feet to enhance its rolling ability, a crucial step for your 3D printed toy.
Download Model from thingiverse
With this file you will be able to print Kururin rolling sticks 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 Kururin rolling sticks.