Quote Originally Posted by neo71665 View Post
Saltwater etching, use the same method making circuit boards, never thought of trying it on anything else.
I've been trying to find a local source for the nifty iron on PCB acid resist paper. It would be cool for some detailed etching. I'm going to try a recommended paper later this week to see how it works. I've had limited success already and now am looking for the right paper.