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Joseph O'Rourke
josephorourke.bsky.social
did:plc:j3oghcagj7nk7afo6x2h7x2p
p.4 of their paper details the construction. "the Noperthedron has 3·30=90 vertices." They set three pts C1,C2,C3 and then apply the cyclic group C_30 to each.
2025-08-31T02:01:49.107Z