The authors used a special self-propagating photocurable resin, electroless nickel plating and a special solution to dissolve the resin. I have a cheap resin printer and some DIY copper/nickel ...

But this is the first time we’ve seen such professional vias and through hole plating. Don’t let the green solder mask fool you. This is a homemade PCB. [Kurt Skauen] started with your ...