The design of a printed pot has to be worked out beforehand in every detail as the printer will do exactly as instructed. I use my knowledge of how clay behaves to make viable designs.
There are three stages to the technical design.
I use the Rhino 3D Computer Aided Design program and the Grasshopper programming plugin to get the idea onto the computer screen. The photo shows the four different views of a shell vase design in Rhino.