Here’s an idea:

How about considering illustrations of triangles drawn inside circles or spheres? They are supposed to fractally encode what it means to be a curious student who is always gaining knowledge.

“Wizards” would say they were very powerful symbols in their own mathematical systems that could encode data.

    • Lol :)

      This is all based on maths. You could describe something like an angel based on mathematical circle theorems or complex linear algebra transformations.

      It might not be a physical object that actually exists today, but I think it could easily be made in the future.