Each face of a great dodecahedron is a regular pentagon, and each of those pentagonal faces has an icosidodecahedron attached to it, in the figure above. The dual of this figure appears below.
Both images were created with Stella 4d, software available at www.software3d.com/Stella.php.
Amazing!
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Thank you!
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Why is the second one the dual of the first one?
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That’s complicated. Here’s a good place to start, on that topic: https://en.wikipedia.org/wiki/Dual_polyhedron
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