Laser engraving river stone/rock : engraving
I recently purchased a laser engraver 5w during an amazon sale.. My plan was to engrave rocks as a hobby.. Wood too, but my main focus was on rocks.. Set it up this week, and with wood it worked great.. Grabbed a river rock, put it as slow as it could go with power and.. nothing, not even a scratch.. I made 7 passes, and now there are a few ..