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List of uniform polyhedra by Wythoff symbol
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There are many relations among the uniform polyhedra.
Here they are grouped by the Wythoff symbol.
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Key
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Regular
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All the faces are identical, each edge is identical and each vertex is identical. They all have a Wythoff symbol of the form p|q 2.
Convex
The Platonic solids.
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Non-convex
The Kepler-Poinsot solids.
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Quasi-regular
Each edge is identical and each vertex is identical. There are two types of faces which appear in an alternating fashion around each vertex. The first row are semi-regular with 4 faces around each vertex. They have Wythoff symbol 2|p q. The second row are ditrigonal with 6 faces around each vertex. They have Wythoff symbol 3|p q or 3/2|p q.
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Wythoff p q|r
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Truncated regular forms
Each vertex has three faces surrounding it, two of which are identical. These all have Wythoff symbols 2 p|q, some are constructed by truncating the regular solids.
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Hemipolyhedra
The hemipolyhedra all have faces which pass through the origin. Their Wythoff symbols are of the form p p/m|q or p/m p/n|q. With the exception of the tetrahemihexahedron they occur in pairs, and are closely related to the semi-regular polyhedra, like the cuboctohedron.
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Rhombic quasi-regular
Four faces around the vertex in the pattern p.q.r.q. The name rhombic stems from inserting a square in the cuboctahedron and icosidodecahedron. The Wythoff symbol is of the form p q|r.
![]() Rhombicuboctahedron |
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![]() Rhombicosidodecahedron |
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Even-sided forms
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Wythoff p q r|
These have three different faces around each vertex, and the vertices do not lie on any plane of symmetry. They have Wythoff symbol p q r|, and vertex figures 2p.2q.2r.
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Wythoff p q (r s)|
Vertex figure p.q.-p.-q. Wythoff p q (r s)|, mixing pqr| and pqs|.
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Snub polyhedra
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Perspective
These have Wythoff symbol |p q r, and one non-Wythoffian construction is given |p q r s.
Wythoff |p q r
Wythoff |p q r s
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