He works (worked?) at Formlabs, and seems to have access to some incredibly nice tools for machining, cutting, and forming all the various bits he designs. Whi

He works (worked?) at Formlabs, and seems to have access to some incredibly nice tools for machining, cutting, and forming all the various bits he designs. While not mentioned in the videos, I'm guessing he also has the ability to ping some tough questions off people who would point him in the right direction quickly, but my guess is it's just a big passion and he's good at it.