@futurebird That’s an excellent question. The answer is not terribly easy to convey in written form, but I made an attempt in https://s3.boskent.com/single-angle-polyhedra/g4g-paper.pdf

robinhouston@mathstodon.xyz
@robinhouston@mathstodon.xyz
A forum for discussing and organizing recreational softball and baseball games and leagues in the greater Halifax area.
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I have been given what must surely be the largest model yet made of my dodecahedron whose adjacent faces meet at right angles, except on one edge where they meet at 45°. -
I have been given what must surely be the largest model yet made of my dodecahedron whose adjacent faces meet at right angles, except on one edge where they meet at 45°.I have been given what must surely be the largest model yet made of my dodecahedron whose adjacent faces meet at right angles, except on one edge where they meet at 45°.
(Yes, I do need to find a better name for it.)