Toroid Winder

Two rings Toroid coil winder machine

Compact version: https://www.thingiverse.com/thing:6268780

This video is for compact version but show work processes:
https://youtu.be/7a5Gduhjt5c

Test working with 0.15mm wire:
https://www.youtube.com/shorts/so5y3pX8wWY

Material:

1x JGB37 geared dc motor at 7rpm for rotate toroid
1x JGB37 geared dc motor at 500rpm for geared ring

3x Polyurethane flat roller (6x30x30mm) with two bearings
6x U0524 (5x24x7mm) nylon bearings (Rings guides)
1x V623ZZ (3x12x4mm) bearing (Wire guide)

4mm cylindrical neodymium magnet for lap counter

M3 Nut heat brass insert Length 3mm (OD 4.5mm)
M3 Button head screws, washer
M3 Grub screws
M4 Screws
M5 Screws, nuts and washer
M6 Screws, nuts and wide washers

1.5mm nail as pin to lock both rings

Felt for friction tensioner
Elastic ring for tensioner

It would be great if someone adapted nema17 stepper motors and made free software and shared it to synchronize the movement of both