power supply (https://www.aliexpress.com/item/1005004886963358.html)
M12 cable gland (https://www.aliexpress.com/item/1005003263360717.html)
XT30 connector
2 pcs square M3 nuts (to be inserted in pause)
2 pcs M3x6mm bolts
switch https://www.aliexpress.com/item/32873386670.html
The author marked this model as their own original creation.