Homebrew PCBs

Bob Macklin <rottenrobbie0@...> writes:
> I read something on a web page about transfering the
> image with a solvent pen. I tried it with acetone and
> the image transfered very nicely. But it was not hard.
> It needs heat to harden it.

Maybe it needs heat to evaporate the solvent again?  In that case,
just baking or heat-gunning the pcb (no paper) would do.