Regular dodecahedron dodecahedron forms an icosidodecahedron. The regular dodecahedron has icosahedral symmetry I, Coxeter group [5,3], order 120, with an abstract group structure of "A" × "Z". When a regular dodecahedron is inscribed in a sphere, it occupies more of the sphere's volume (66.49%) than an icosahedron inscribed in the same sphere (60.54%). A regular dodecahedron with edge length 1 has more than three and a half times the volume of an icosahedron with the same length edges (7.663... compared with 2.181...), which ratio is approximately , or in exact terms: or . A regular dodecahedron has 12 faces and 20 vertices,
The Hero with a Thousand Faces says that he started "The Hero with a Thousand Faces" but refused to finish it: "I think I got about half way through "The Hero with a Thousand Faces" and found myself thinking if this is true—I don't want to know. I really would rather not know this stuff. I’d rather do it because it's true and because I accidentally wind up creating something that falls into this pattern than be told what the pattern is."Many scholars and reviewers have noted how closely J. K. Rowling's popular "Harry Potter" books hewed to the monomyth schema. Dan Harmon, the creator of