Homebrew PCBs

Peter Harrison <peter.harrison@...> writes:
> Is it possible to pre-drill some of the holes and align the artwork
> overlay against them?

That's what I do, but I have separate registration holes I add to the
board just for that purpose (see my other post).  Also, I do this
before cleaning the board so the hole gets de-burred too (also means I
can get my fingerprints and tape marks on the board while drilling :)