With lightburn, the parameters : speed 2500 / energy 35%,The bottom of the board is sprayed with an oil-based gray primer to produce this effect
10w laser engraver machineļ¼https://www.amazon.com/dp/B0B8S5XBWP?ref=myi\_title\_dp
https://www.amazon.com/gp/product/B0B8S5XBWP/ref=ewc_pr_img_1?smid=A1N2XQP6HU5U57&psc=1
I received a $150 coupon and paid $449 for the 10w laser engraver machine
AMAZON LINK:https://www.amazon.com/gp/product/B0B8S5XBWP/ref=ewc\_pr\_img\_1?smid=A1N2XQP6HU5U57&psc=1
I received a $150 coupon and paid $449 for the 10w laser engraver machine