I don't use A.I to create form, I design forms from procedural recipes and warp them. I scale fast thanks to leveraging Houdini's proceduralism and Substance 3D Modeler's intuitive workspace. I've made thousands of mechs this way, and I'm eager to share.
For preparation, I created an HDA for elements in Houdini for sleekness, and used the move tool of Substance 3d Modeler to composite form from shapes. Throughout all of my forms you will see a consistency of sleekness, this design was to make airbrush painting more fun and to print off a resin saturn 3d printer in one go. The very first Beta mech I made was a successful 1 and done print, thus my reasoning for standardizing it into many variants.