How do I etch on a mirror?

[dklgood]

What, specifically do you want to know? To engrave mirrors, reverse your design and engrave the backing off of the glass. You would have to test to get the speed/power correct.

Mirror Engrave (Success on my 1st Try)

I had success engraving on a mirror. My first try and I am pleased with the results. I used a pretty cheap mirror from Michael’s Arts & Crafts store (about $5). I even chipped the cheap-o mirror on the way home (not sure if you see it in the photo) but the engrave did not damage it, and it turned out pretty nice. To protect the mirror, I used the protective adhesive from one of my proofgrade pieces of acrylic. Just pealed it off and stuck it on the mirror. I wet my fingers and rubbed it on the …