Homebrew PCBs

So, if you are going to all of that trouble. making your own
fiberglass board and such, as you already have the resin, 
why not use it to glue copper to board?

make a sandwitch like this

Particle board

plastic dropcloth

copper

resin

fiberglass board

plastic dropcloth

Particle board

then clamp the thing together at the corners and centered along the 
long sides. . .