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- Abstract polytope
- Aethyr
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- Convex polytope
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- Coxeter group
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- Dodecagon
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- E6
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- Eric W. Weisstein
- Euclidean space
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- G2
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- H4
- Harold Scott MacDonald Coxeter
- Hexagon
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- International Standard Book Number
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- John Horton Conway
- Kepler–Poinsot polyhedron
- Kun Olen
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- Ludwig Schläfli
- MathWorld
- Michael Guy
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- Non-Euclidean geometry
- Norman Johnson
- Octagon
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- Regular 4-polytope
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