Interesting stuff. I am asking my other half about the nail pens now
Did a board using the tape and scalpel method over the last couple of days. I started in Kicad and taped the drill chart to the board then drilled it, then taped it and etched it. Came out pretty good.
(OCXO replacement for Racal counter)
David: I've got to be honest there. The only reason I enjoy making PCBs is after reading your enthusiasm for the subject. It's infectious
