Sandstone Thirstystone coasters

[bill.m.davis]

I wonder if stone would be more like ceramic?

Maybe something like this:

Metal Marking Settings For New And Improved Cermark Replacement (laserbond 100)

If you’re looking to etch metal (other than stainless steel) you need settings and examples. Marking stainless steel is easy and almost anything (including condiments) will work. Try and mark Aluminum, Copper, Brass, Chrome, Nickel, Glass, Ceramic, Titanium, etc. and you’ll likely find a CO2 laser (even the pro model) just doesn’t “cut it”. Laserbond 100 (like ceramark and thermark before it) lets you make deep black markings like on overpriced coffee mugs. The inventor even publishes a comp…