Parametric for your modifying pleasure. Open the .SCAD file in OpenSCAD and make it your own.
Or just download and go. Pick your pot and the matching reservoir. Fill the pot with soil and place in the reservoir. Add water to the reservoir fill hole until it drips out the side hole into the catch basin. Boom. Perfectly self-watered plants.
Test that your reservoir is watertight overnight before using. If not, print more walls, more floors, or simply smear inside with polyurethane sealant.
No supports required to print.