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===Polyhedra with hexagons=== There is no [[Platonic solid]] made of only regular hexagons, because the hexagons [[tessellation|tessellate]], not allowing the result to "fold up". The [[Archimedean solid]]s with some hexagonal faces are the [[truncated tetrahedron]], [[truncated octahedron]], [[truncated icosahedron]] (of [[soccer ball]] and [[fullerene]] fame), [[truncated cuboctahedron]] and the [[truncated icosidodecahedron]]. These hexagons can be considered [[truncation (geometry)|truncated]] triangles, with [[Coxeter diagram]]s of the form {{CDD|node_1|3|node_1|p|node}} and {{CDD|node_1|3|node_1|p|node_1}}. {| class="wikitable collapsible collapsed" style="text-align:center;" !colspan=12|Hexagons in [[Archimedean solid]]s |- ! [[Tetrahedral symmetry|Tetrahedral]] !colspan=2| [[Octahedral symmetry|Octahedral]] !colspan=2| [[Icosahedral symmetry|Icosahedral]] |- | {{CDD|node_1|3|node_1|3|node}} | {{CDD|node_1|3|node_1|4|node}} | {{CDD|node_1|3|node_1|4|node_1}} | {{CDD|node_1|3|node_1|5|node}} | {{CDD|node_1|3|node_1|5|node_1}} |- valign=top | [[File:truncated tetrahedron.png|100px]]<br>[[truncated tetrahedron]] | [[File:truncated octahedron.png|100px]]<br>[[truncated octahedron]] | [[File:Great rhombicuboctahedron.png|100px]]<br>[[truncated cuboctahedron]] | [[File:truncated icosahedron.png|100px]]<br>[[truncated icosahedron]] | [[File:Great rhombicosidodecahedron.png|100px]]<br>[[truncated icosidodecahedron]] |} There are other symmetry polyhedra with stretched or flattened hexagons, like these [[Goldberg polyhedron]] G(2,0): {| class="wikitable collapsible collapsed" style="text-align:center;" ! colspan=12 | Hexagons in Goldberg polyhedra |- ! [[Tetrahedral symmetry|Tetrahedral]] ! [[Octahedral symmetry|Octahedral]] ! [[Icosahedral symmetry|Icosahedral]] |- | [[File:Alternate truncated cube.png|120px]]<BR>[[Chamfered tetrahedron]] | [[File:Truncated rhombic dodecahedron2.png|120px]]<BR>[[Chamfered cube]] | [[File:Truncated rhombic triacontahedron.png|120px]]<BR>[[Chamfered dodecahedron]] |} There are also 9 [[Johnson solid]]s with regular hexagons: {| class="wikitable collapsible collapsed" style="width:400px; text-align:center;" !colspan=12| Johnson solids with hexagons |- valign=top | [[File:Triangular cupola.png|80px]]<BR>[[triangular cupola]] | [[File:Elongated triangular cupola.png|80px]]<BR>[[elongated triangular cupola]] | [[File:Gyroelongated triangular cupola.png|80px]]<BR>[[gyroelongated triangular cupola]] |- valign=top | [[File:Augmented hexagonal prism.png|80px]]<BR>[[augmented hexagonal prism]] | [[File:Parabiaugmented hexagonal prism.png|80px]]<BR>[[parabiaugmented hexagonal prism]] | [[File:Metabiaugmented hexagonal prism.png|80px]]<BR>[[metabiaugmented hexagonal prism]] |- valign=top | [[File:Triaugmented hexagonal prism.png|80px]]<BR>[[triaugmented hexagonal prism]] | [[File:Augmented truncated tetrahedron.png|80px]]<BR>[[augmented truncated tetrahedron]] | [[File:Triangular hebesphenorotunda.png|80px]]<BR>[[triangular hebesphenorotunda]] |} {| class="wikitable collapsible collapsed" style="text-align:center;" !colspan=12| [[Prismoid]]s with hexagons |- valign=top | [[File:Hexagonal prism.png|100px]]<br>[[Hexagonal prism]] | [[File:Hexagonal antiprism.png|100px]]<br>[[Hexagonal antiprism]] | [[File:Hexagonal pyramid.png|100px]]<br>[[Hexagonal pyramid]] |} {| class="wikitable collapsible collapsed" style="width:480px;" !colspan=12| Tilings with regular hexagons |- ! Regular !colspan=3| 1-uniform |- style="text-align:center;" |[[hexagonal tiling|{6,3}]]<BR>{{CDD|node_1|6|node|3|node}} |[[Trihexagonal tiling|r{6,3}]]<BR>{{CDD|node|6|node_1|3|node}} |[[Rhombitrihexagonal tiling|rr{6,3}]]<BR>{{CDD|node_1|6|node|3|node_1}} |[[Truncated trihexagonal tiling|tr{6,3}]]<BR>{{CDD|node_1|6|node_1|3|node_1}} |- |[[Image:Uniform tiling 63-t0.svg|120px]] |[[Image:Uniform tiling 63-t1.png|120px]] |[[Image:Uniform polyhedron-63-t02.png|120px]] |[[Image:Uniform polyhedron-63-t012.png|120px]] |- style="text-align:center;" |colspan=4|[[2-uniform tiling]]s |- |[[File:2-uniform 1.png|120px]] |[[File:2-uniform 10.png|120px]] |[[File:2-uniform 11.png|120px]] |[[File:2-uniform 12.png|120px]] |}
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