The clock features a series of 3d-printed gears, all driven by a single stepper motor that [ekaggrat] found in surplus. The clock’s controller is based around an ATtiny2313 programmed with the ...

According to [Jan Mrázek], if one is printing gears, then they are definitely not ... Mrázek]’s commitment to getting the most out of 3D printing with resin.

The planetary-based gearbox functions similarly to an automatic transmission and uses a camshaft to select one of three gears ... design is very well suited to 3D printing, which isn't necessarily ...