Sure, 2d pcbs are certainly easier to design and get run. However there are a few people I've seen in the niche of a niche which is 'non flat keyboards' that ar

Sure, 2d pcbs are certainly easier to design and get run. However there are a few people I've seen in the niche of a niche which is 'non flat keyboards' that are getting flex pcbs run for dactyls and their kin.