This puzzling mechanism is a demo model to show how the Variomatic Cube
works. The mechanism has four identical gears meshing with each other. The gearing ratio of the gear train varies from 1:1 to 1:2 and 2:1.
Watch the YouTube video
Read at the Shapeways Forum
Read more at the Non-Twisty Puzzles Forum
Please contact Oskar
directly if you are interested in obtaining a fully colored, stickered and assembled sample of this puzzling object.