To have platonic solids we must first have Hebrew letter Zayin. The five Platonic solids are unique three-dimensional shapes where every face is the same regular polygon and the same number of faces meet at every vertex. Named after the ancient Greek philosopher Plato, sacred geometry views these shapes—the tetrahedron, cube, octahedron, dodecahedron, and icosahedron—as the fundamental building blocks of the natural universe. [1, 2, 3,  ...