Modular and easy to assemble. Print multiple pieces and put them together to make a column. Then feed your rubber tubing through the hollow rod to ensure that the water or nutrient solution flows smoothly through your system. The rod also ensures that the conduit or venturi is positioned vertically in the nutrient solution so that it can suck up the water efficiently.
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3D Printing Settings:
-Low quality; 0.2 mm; 2 shells; 10% infill
Tested on MakerBot, Ultimaker, M3D Micro and Formlabs