Laser Engraver Mk 2

I have made a few improvements so decided to call it Mk 2 rather than mess with first design. I have included 123d files so you can adapt / alter them to your needs

I have worked hard on this and hope it will be used by others.

All parts were printed on an Anycubic i3 Printer , Bed size 210 by 210, End parts need some fiddling to get them in the slicer but do fit diagonally.
Square holes are for Microswitches, I used the following.
https://www.ebay.co.uk/itm/331890551081
UPDATE:
The laser from, https://www.banggood.com/450nm-3500mW-3_5W-Blue-Laser-Module-With-TTL-Modulation-for-DIY-Laser-Cutter-Engraver-p-1103261.html?rmmds=myorder&cur_warehouse=CN
You can get cheaper if you search, i paid £54 for mine from same place.
Nima 17 stepper 17HS3404
4 rods 8mm, 2 at 260mm and 2 at 388mm
Control from, https://www.ebay.co.uk/itm/162781398011
I am using GRBL and Inkscape and Universal Gcode sender


It is a cheap and cheerful machine but effective.
I will be using a piece of