[rasz]

So innovative you can buy it off the shelf, from China, $90 free shipping, for the last ~3 years, including engraving laser. Idea is even older http://davidegironi.blogspot.com/2014/07/38mm-x-38mm-laser-e...

[ahronwayne]

I have actually considered doing it by modifying one of the planar XY types, but if you're going to get the limited range of the blu-ray, might as well use one of those ones I already have. I ran into hundreds a while ago, funny story about that.