Camera Slider Parts

For https://youtu.be/NB-O0Zpb0e0

BOM:
Arduino Uno: https://www.aliexpress.com/item/32272099710.html
CNC Shield: https://s.click.aliexpress.com/e/_DldSXaP
Stepper motors: https://www.omc-stepperonline.com/nema-14-bipolar-1-8deg-14ncm-20oz-in-0-4a-12v-35x35x26mm-4-wires-14hs10-0404s
Stepper drivers (2PC): https://s.click.aliexpress.com/e/_Dkg1UeL
Switches (momentary x2, latching x1): https://www.aliexpress.com/item/4000164264475.html
Potentiometers (10K Ohm, x2): https://s.click.aliexpress.com/e/_DmBmyBH
Rocker switch (15x21mm): https://s.click.aliexpress.com/e/_DmnChhl
18650 cells: https://s.click.aliexpress.com/e/_DDH0Cjl
18650 holder (3X18650): https://a.aliexpress.com/_mqm5BFU
5V regulator LM2596: https://s.click.aliexpress.com/e/_Dexm6AF
Dupont wires: https://www.aliexpress.com/item/1005002889473244.html
Aluminium profile: https://s.click.aliexpress.com/e/_DdAqRF1
Pulleys x 2 (20 teeth, 5mm bore, 6mm wide): https://s.click.aliexpress.com/e/_DBKM3nD
Belt (6mm): https