I'd seen a decent modular 3d printed tower for growing things like lettuce and it turns out Hoocho is using a newer and more advanced style of the same idea: h

I'd seen a decent modular 3d printed tower for growing things like lettuce and it turns out Hoocho is using a newer and more advanced style of the same idea: https://www.youtube.com/watch?v=Ak4sb-nRAcE https://www.youtube.com/watch?v=Ak4sb-nRAcE