draw a regular dodecahedron.

From Wikipedia, the free encyclopedia:
https://en.wikipedia.org/wiki/Regular_dodecahedron

A **regular dodecahedron** or **pentagonal dodecahedron** is a
dodecahedron that is
regular composed of twelve
regular
pentagonal faces, with three meeting at each vertex, and is represented by the
Schläfli symbol {5,3}.