RedBauble

Yeah I know about that kind of approaches but I haven’t been able to test them, the resins don’t look cheap and I don’t make pcbs often enough to justify the cost. But I have tried engraving FR4 to get silkscreens on single sided boards. Decent results, but the smell is awful

This is basically what I do at the FabLab, I was about to post a comment when I saw yours. If you’re interested, I wrote a blog post on the procedure, what I need to update it for double sided PCBs emamaker.com/projects/…/pcb-laser-engraver.html