I designed this part to water my plants automatically.
Print vertically, I used supports on the exterior (none on interior, removed with Simplify3D).
Can be scaled for small or large plants.
Just fill, quickly turn upside down while inserting into the soil.
Make sure you manually remove the supports that are generated inside the bulb, or you will not be able to get them out after it is printed.
ZenWorks Clear ABS & Inland Orange ABS
Printed on glass with ABS Slurry
Top & Bottom layers: 3
Skirt: 2 layer, 10 outlines, 0mm offset
Infill: 15% Rectilinear
Support: External auto generated (manually remove internal)
Bed Temperature: 100C
Print Speed: 2200 mm/min
Movement Speed: 4000 mm/min
Optional - Acetone Smoothing
I use acetone to smooth the part and ensure a liquid tight seal. It also helps make it look more like glass.