The Gentleman's Friend!
Wow Your Classmates or Co-workers with this One-Of-A-Kind Elliptical Gear Toy, Now fabricated in a Small size that follows you wherever you Go! You will never see a stressed out face again! Cure your pen clicking or foot tapping with the improved elliptical Gearset today!
This is a remix of "Elliptical Gear with no center pivot" by cohlwiler and I give him full credit for this toy.
Print either one of each type of arm and two gears, or print the unified version.
Scale down to your liking for a keychain