Homebrew PCBs

"jose_kovacevich" <jose_kovacevich@...> writes:
> perfect transfer almost every time (a couple times there were small 
> track sections in the edges not getting transfered, easily fixed 
> with permanent marker).

I always add a thick "guard trace" around the outside of the board's
outline to avoid edge-related problems.  It mostly keeps the TT paper
from peeling off an important trace when I dump it into the water.