This is my design for a CNC Laser for more information you can visit https://www.ifixgadget.pt/me-machines You can help support my work by purchasing the full model here: https://www.ifixgadget.pt/loja/ME-Laser-CNC-3D-sketchp-Model-p414581071 Or here: https://www.etsy.com/listing/1102710278/me-laser-cnc-3d-sketchup-model?ref=shop_home_active_2 Or just send me a beer: https://www.paypal.com/paypalme/iFixGadget I remixed the PLAY3Rone977 user height adjustment system https://www.thingiverse.com/thing:4607685 all credits from this system go to him, please support his work