Here is a link to Part 1 The demo video.
https://youtu.be/ZIV9U77arEY

Here is part 2 the 3d printed parts.
https://youtu.be/XQTVmnMyplo

Here is part 3, the wood case.
https://youtu.be/U0qbj59C6bI

Here is the Rocking foot pedal to control the speed.
https://www.thingiverse.com/thing:4873600

A few 3d printed parts, some wood and old 3d printer stepper motor and driver with a cool 55 timer chip controller.

Prusa

I3 MK3S

No

No

200

20