Homebrew PCBs

Stefan Trethan <stefan_trethan@...> writes:
> I used double-sided board and just etched the spare copper away (the
> surface that is left has a perfect micro-rough finish). Sanding never
> did quite as well.

I wonder if a coat of flat white spray paint (before
etching/trimming/etc so at least it's neat :) would give a suitable
surface to adhere toner too.  It would also provide a better background
for the image.