Plant Waterer for PET-Bottles
thingiverse
Update April 22nd, 16: uploaded a printer-friendly version that should be printable without supports now. This device waters PET-Bottles. It has not been printed yet, but I'll test it on Saturday or something similar. Use flat-seals with diameters of 24-25 mm to keep the water inside the bottle. Feel free to copy and use this design as you see fit.
Download Model from thingiverse
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