Press for DIY hot-insertion of inserts, in the video you can find all the instructions to assemble it correctly.

List of necessary materials:

Aluminum profile 20x40 L = 30mm: https://s.click.aliexpress.com/e/_DBp6oRV
Soldering Iron: https://s.click.aliexpress.com/e/_De03DaR
Threaded inserts kit: https://s.click.aliexpress.com/e/_DE0fI7N
Threaded inserts M2x3x3.2: https://s.click.aliexpress.com/e/_DC84JHH
Threaded inserts M3x3x3.2: https://s.click.aliexpress.com/e/_DC84JHH
2GT pulleys 3mm hole 2 pieces: https://s.click.aliexpress.com/e/_DmjzJCj
2GT belt L=500mm: https://s.click.aliexpress.com/e/_DDsuBPD
Screws and brackets for aluminum profile: https://s.click.aliexpress.com/e/_DDouQ35
Carriages with wheels 2 pieces: https://s.click.aliexpress.com/e/_DC2AGhZ
Wheel balancing weights 2 pcs: https://s.click.aliexpress.com/e/_DEvnkUB
Threaded inserts kit: https://s.click.aliexpress.com/e/_DBVa26j
Flat head screws M3x16: https://s.click.aliexpress.com/e/_DCJmL4b
Flat head screws M3x30: https://s.click.aliexpress.com/e/_DCJmL4b
M3 screws kit: https://s.click.aliexpress.com/e/_DCjgHu3
M2 screws kit: https://s.click.aliexpress.com/e/_DdoxYSb