yarn rewinder additions

Here are a few useful additions.
Discs for top and bottom to avoid loose threads and a motor drive for automation.
There is also a recess in the motor mount for a small switch. This is glued in place (e.g. hot glue).
The motor adapter between the machine and the motor should be printed with 100% filling to prevent deformation by the screws. Two M3 screws (min 8mm) and two nuts for the adapter.

A gear motor with 150 RPM is required - link:
https://aliexpress.com/item/1005003279388288.html
The motor is fixed with two countersunk screws M3 x 6mm and if you want as additional security with a cable tie.

The small switch should have a 4mm lever - link:
https://aliexpress.com/item/4001207529493.html

For the battery holder two pairs of battery contact plates are needed: 15x10mm with solder tags - link:
https://aliexpress.com/item/1005001308633882.html

You may need to adjust the height - just shim it a bit to get the alignment just right. I also did not tighten the screws all