The clock features a series of 3d-printed gears ... The hour and minute are indicated by two orange posts inside the large gears. [ekaggrat] etched his own PCB for the microcontroller and stepper ...

[Uri Tuchman] had a different idea. He wanted to make a clock out of the gears used in the lathe. Can he do it? Of course, as you can see in the video below. Along the way, he used several tools.