The first prototype was built using measuring tape: https://gimletmedia.com/episode/you-have-to-invent-something-season-5-episode-1/ https://gimletmedia.com/epi

The first prototype was built using measuring tape: https://gimletmedia.com/episode/you-have-to-invent-something-season-5-episode-1/ https://gimletmedia.com/episode/you-have-to-invent-something...