try a laser engraver instead.
Digging around on the web, we found an article on
-[laser marking circuit boards](http://https://jtechphotonics.com/?p=1164)
+[laser marking circuit boards](https://jtechphotonics.com/?p=1164)
that made it clear this was something we should be able to do with a 1W
laser module. Since Bdale had a spare [Lulzbot](http://lulzbot.com) TAZ 5
printer sitting around unused, and the J Tech folks had a pointer to a 3d