3D Printed Clock with Perpetual Calendar

The perpetual calendar is one of the representative mechanism of complication clocks and watches. It shows correct date up to 2099 without correction because it can handle all kind of month lengths including February of leap years. Free 3D data and codes at https://www.instructables.com/3D-Printed-Clock-With-Perpetual-Calendar/ https://www.printables.com/model/209709-3d-printed-clock-with-perpetual-calendar https://www.thingiverse.com/thing:5389410 Assembly guide https://youtu.be/1Kx0vuQ4A5k