Visit http://brilliant.org/stuffmadehere to sign up for free. And also, the first 200 people will get 20% off their annual premium membership. Help support these videos on patreon: https://patreon.com/stuffmadehere I thought this would be an easy project to knock off my list after putting myself through the wringer with the automatic basketball hoop. I was wrong. This project is really hard. BUT that also makes it really interesting! Some more details: - The 5000 piece puzzle is the gradient puzzle from the play group: https://www.playgroup.design/ - More about telecentric lenses: https://en.wikipedia.org/wiki/Telecentric_lens - CoreXY belt design: https://corexy.com/ - Algorithm to determine point furthest from all puzzle edges https://en.wikipedia.org/wiki/Distance_transform