Homebrew PCBs

Steve Wiseman <sjwiseman@...> writes:
> I've got a 25W CO2 laser marker, (google synrad fenix) but no etching

It would be interesting to see how the laser interacts with various
types of spray paint - lacquer, enamel, acrylic, etc - both with
respect to burnability and the resulting resolution.  A thin coat of
flat black laquer, burn off the pattern, etch...