Platonic solid – Wikipedia

December 23, 2025

https://en.wikipedia.org/wiki/Platonic_solid#:~:text=In%20geometry%2C%20a%20Platonic%20solid,made%20of%20these%20regular%20solids.

tetrahedron and cube. Middle: regular octahedron. Bottom left to right: dodecahedron and icosahedron.