Mysterium Cosmographicum concept taught to Stable Diffusion via Textual Inversion. You can load this concept into the Stable Conceptualizer notebook. You can also train your own concepts and load them into the concept libraries using this notebook.
I guess because they are png you can't see them? Idk, I'll fix it later. The images are as many variants of the platonic solids planetary orbit design by Kepler, from Mysterium Cosmographicum, that I could find.