Extremely Odd Gears
A little something to pass the time; thinking about watches and how they work. OR You don't have to have a 3D printer to have fun... Cazalea A Gear Cube Spherical Gear Transmission Making Alien Gears ...
Not to hijack, but...
...Parmigiani has an interesting pantograph hand system that extends and retracts to follow the contour of the dial. Always enjoy these mechanical wonders. John ...
