Recommend lightning infill or low percentage regular infill for faster print speed. Lots of overhangs. Use low speed and sufficient cooling. 

Printed at 4 perimeters, 4 bottom layers and 5 top layers and this made it watertight. If leaking use some kind of coating on the inside. 

Also check out my bigger pot, wooden geometric planter: 

[https://www.printables.com/model/490503-wooden-geometric-planter](https://www.printables.com/model/490503-wooden-geometric-planter)