Hi Alex. Do the infills get set with CA glue? I have lot of different color inlays that I use with CA glue.
In my experimenting, I found that if I burn at 100% and 150 mm speed, it burns .033" deep..just about 1 mm.

Cheers, my friend, Jim

Cheers, Jim ........................ Variety is the spice of life...............Learn something new every day