4 AXIS (ROTARY) FOR LASER ENGRAVER

https://www.youtube.com/watch?v=zaS8tG2Ns1k

This is an upgrade for my 3d printed laser engraver, always i wanted to have a rotary axis so here it is.

Here you will find the bom list and a video how to build it.

any tip will be great!!

You will need the following parts:

6 pcs SCREW 10mmx5mm.
2 pcs SCREW 40mmx5mm.
2 pcs SCREW 30mmx5mm.
6pcs T NUTS 5mm.
6 pcs 5mm nuts.
2 pcs HEX SCREW 10mmx5mm.
4pcs SCREW 7mmx3mm (for nema motor).
1pc NEMA17
3pcs GT2 PULLEY 20T.
4pcs 25mm O-RING
4pcs POM WHEELS.
6pcs WASHER 8mm (outside diameter) x 5mm (inner diameter) x1mm height. (or you can print them)
2pcs SQUARED TUBE 75mm lenght. 25x25mm
1pcs Aviation plug 4 pins.
1pc 230mm gt2 belt.
1pc aluminum extrusion 2040.
1 meter lenght RGB CABLE for the nema stepper motor.