It's composed with:
The float should be printed in 5% infill to be able to float.
More the layers are fine, less water will infiltrate inside the float. If the water come inside, you can coat it with a varnish.
Hydroponic_float.stl | 757.5KB | |
Hydroponic_pot.stl | 1.5MB | |
Hydroponic_pot_flat.stl | 1.1MB | |
Hydroponic_reservoir.stl | 455.9KB |