I have purchased a number of floor tiles that
They are polished some how for use on the floor. They are not supposed to have any kind of coating…
This is a compound lens, 150mm/s 18% power, Stucky, 254 dpi.
This was with same as above but ‘submerged’ a few mm.
I think the bottom, submerged one has a better contrast range. I had to bump the power to 25% and it could probably go higher.
Here’s a link to the short video.
It’s difficult with this stuff, is doesn’t have much of a contrast range and it ‘pots’ with large spots where the laser hits it. Tried 128 dpt, but it looked horrible.