Spiralized Hydroponic Tower
Description
This is code for a rapidly printable hydroponic tower. It's designed almost entirely printed with "spiralized outer contours" and a 0.8mm nozzle. Simply set the bottom width to 5.0mm and print away. The bottom reservoir is 1.6mm thickness and should not be printed spiralized. It is designed for use with a 5/16inch tube. There is an optional ultrasonic fogger reservoir that attaches to the top that will shower your plants with ultrasonic fog, helping to maintain a high internal humidity level. The segments are compression fit together, which helps keep the fog contained. NOTE: Cura changed (broke) the spiralized contours implementation in 5.x. Use 4.x to spiralize properly. On the flip side, the non-spiralized handling of single-wall prints is grealy improved in 5.x, so you'll generally get good quality without spiralized contours as well. Another option is wrangle the gcode yourself by exporting unspiralized and spiralized versions with relative extrusion and concatenating the bottom 0-5mm (however many layers) slice from to the unspiralized version to the top 5mm+ slice from the spiralized version. I'd recommend ASA (ideal) or PETG. You want a little flex and good wear resistance so the compression fit holds up, plus of course UV resistance if outdoors. The reservoir access lid is designed to be printed with TPU and can fit a 25mm fan for a bit of airflow if you want. When printing with ASA, you likely want thin flat pancake layers that are smashed together with as much pressure as possible. You may also want to do a quick acetone dip to greatly reduce the risk of a tear. Note that if you're printing with a white filament, it will likely be translucent enough to facilitate algae growth inside the tower. This isn't necessarily the end of the world, but if you'd like to maintain a sterile interior (lower chance of disease, more nutrient efficient), make sure you print with black and, if desired, coat the outside white. This will ensure the interior is completely dark. Depending on how tall you go, you might run into stability issues. If you're finding segments want to break lose, consider using a thin silicone grip tape on the interior wall to aid the friction fit. Or even just electrical tape might do the trick. Modestly parametric source code is here. There are also GLB binary files here which are much smaller. https://github.com/SovereignShop/spiralized-hydroponic-tower/ Enjoy, the yields are great!
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