Gareth's Downstairs Computer wrote on 12/22/2017 1:51 PM:
https://hackaday.com/2017/12/22/impr...b-fabrication/
It doesn't look so much like he uses the laser to engrave PCBs as expose the
photoresist which still must be followed by etching. To me the etching is
the more awkward part of the whole process.
--
Rick C
Viewed the eclipse at Wintercrest Farms,
on the centerline of totality since 1998