this post was submitted on 26 Jun 2023
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OP's example is the wrong way to do it as they water plants in soil, there are plenty of hydroponic towers that you can 3d print and what they do is allow you to have hydroponics (growing plants in water) with very little space requirement so that works great in small gardens or appartment balconies.
Sure. But still, why a tower? Even at their best, towers are just shelves that require more floorspace.
A tower design like in the OP's picture allows separating the humid root-space from the general work environment which has some practical advantages and I guess also lowers the risk of fungal infections of the roots.