Wrote a few articles a couple years ago for HN on physical products here's one of them: https://news.ycombinator.com/item?id=1840896 https://news.ycombinator.co

Wrote a few articles a couple years ago for HN on physical products here's one of them: https://news.ycombinator.com/item?id=1840896 https://news.ycombinator.com/item?id=1840896 elaborated a bit more here: http://curtgeen.com/post/7575880635/expanded-part1-design http://curtgeen.com/post/7575880635/expanded-part1-design I've been out of it for a few years but if you have any questions I should be able to point you in the right direction.