Pocket Gyro spinner, 6 rings, diameter 40mm. Print without supports. You can enlarge it in slicer. Fast printing, perfect functionality. You must have it :-). Keychain version is Here
A fun little toy to mess around with. looking at my history i thought to myself i didn't like it that much.... but as i was sitting here looking at models, i realized that i was using it as i thought that... so i guess it works! :D fun little easy print.