https://www.printables.com/model/1083021-micro-gear-fidget-ring
micro-gear fidget ring by DrJones | Download free STL model | Printables.com
micro gearfidget ring
https://www.printables.com/model/927102-gyroscopic-fidget-ring-v2/user-gcodes
Gyroscopic Fidget Ring V2 by Tintanik | Download free STL model | Printables.com
I took out the ball. | Download free 3D printable STL models
fidget ring
https://www.printables.com/model/133578-print-in-place-fidget-ring?lang=en
Print-in-place fidget ring by Makkuro | Download free STL model | Printables.com