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Excavated dodecahedron information


Excavated dodecahedron

(see 3D model)
Type Stellation
Index W28, 26/59
Elements
(As a star polyhedron)
F = 20, E = 60
V = 20 (χ = −20)
Faces
Star hexagon
Vertex figure
Concave hexagon
Stellation diagram
Symmetry group icosahedral (Ih)
Dual polyhedron self
Properties noble polyhedron, vertex transitive, self-dual polyhedron

In geometry, the excavated dodecahedron is a star polyhedron that looks like a dodecahedron with concave pentagonal pyramids in place of its faces. Its exterior surface represents the Ef1g1 stellation of the icosahedron. It appears in Magnus Wenninger's book Polyhedron Models as model 28, the third stellation of icosahedron.

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Excavated dodecahedron

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In geometry, the excavated dodecahedron is a star polyhedron that looks like a dodecahedron with concave pentagonal pyramids in place of its faces. Its...

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Great dodecahedron

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pyramids rather than convex ones. The excavated dodecahedron can be seen as the same process applied to a regular dodecahedron, although this result is not regular...

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Pentakis dodecahedron

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elevated dodecahedron has the same combinatorial structure as a pentakis dodecahedron, i.e., the same Schlegel diagram. Excavated dodecahedron The Spaceship...

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Roman dodecahedron

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discovered after having long been misclassified as a dodecahedron. This icosahedron was excavated near Arloff in Germany and is currently on display in...

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Regular polyhedron

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dodecahedron are dual to each other. The small stellated dodecahedron and great dodecahedron are dual to each other. The great stellated dodecahedron...

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faces meeting around each vertex. Its dual polyhedron is the regular dodecahedron {5, 3} having three regular pentagonal faces around each vertex. The...

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Regular icosahedron

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many relations with other Platonic solids, one of them is the regular dodecahedron as its dual polyhedron and has the historical background on the comparison...

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Faceting

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and compound of five cubes are constructed by face diagonals. The excavated dodecahedron is a facetting with star hexagon faces. Faceting has not been studied...

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Great stellated dodecahedron

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to invert themselves and excavate the central icosahedron, the result is a great dodecahedron. The great stellated dodecahedron can be constructed analogously...

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5

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space on its own. Regular abstract polyhedra, which include the excavated dodecahedron and the dodecadodecahedron. They have combinatorial symmetries transitive...

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Great icosahedron

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down to points, and producing the great stellated dodecahedron. The truncated great stellated dodecahedron is a degenerate polyhedron, with 20 triangular...

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Deltahedron

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Excavated dodecahedron 60...

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Great rhombic triacontahedron

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of the rhombs. What resembles an "excavated" rhombic triacontahedron (compare excavated dodecahedron and excavated icosahedron) can be seen within the...

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Compound of five tetrahedra

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described by Edmund Hess in 1876. It can be seen as a faceting of a regular dodecahedron. It can be constructed by arranging five tetrahedra in rotational icosahedral...

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Compound of ten tetrahedra

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described by Edmund Hess in 1876. It can be seen as a faceting of a regular dodecahedron. It can also be seen as the compound of ten tetrahedra with full icosahedral...

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List of regular polytopes

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icosahedron and ditrigonal dodecadodecahedron are dual to each other. The excavated dodecahedron is self-dual. Polygon Regular polygon Star polygon Polyhedron Regular...

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Final stellation of the icosahedron

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stellation process, recognizing the small stellated dodecahedron and great stellated dodecahedron as regular polyhedra. However, Louis Poinsot in 1809...

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List of Wenninger polyhedron models

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(Triakis icosahedron) Ih 27 Second stellation of icosahedron Ih 28 Excavated dodecahedron (Third stellation of icosahedron) Ih 29 Fourth stellation of icosahedron...

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W28

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W28 may refer to: Excavated dodecahedron Jiwarli dialect Sequim Valley Airport, in Clallam County, Washington, United States W28 (nuclear warhead) This...

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Expanded cuboctahedron

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rhombic dodecahedron surrounded by: 12 rhombic prisms, 8 tetrahedra, 6 square pyramids, and 24 triangular prisms. If the central rhombic dodecahedron and...

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Great triambic icosahedron

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of five tetrahedra Compound of ten tetrahedra Great icosahedron Excavated dodecahedron Final stellation The stellation process on the icosahedron creates...

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Compound of five octahedra

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of five tetrahedra Compound of ten tetrahedra Great icosahedron Excavated dodecahedron Final stellation The stellation process on the icosahedron creates...

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Truncated rhombicuboctahedron

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Minkowski sum of a cube, a truncated octahedron, and a rhombic dodecahedron. The excavated truncated rhombicuboctahedron is a toroidal polyhedron, constructed...

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Norton Disney

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North Scaffold Lane and the Roman villa. Finds have included a Roman dodecahedron, described as "exceptional not just because it's the first to have been...

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Digging for Britain

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Hambleden 1st/2nd century Roman burial and potential Iron Age village excavated during the construction of the East Kent Access Road on the Isle of Thanet...

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2023 in archaeology

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was discovered in Iraq, Girsu. 27 – 1,600-year-old fragment of Roman dodecahedron unearthed in Belgium, Flanders. February 20 – A study reports that 2...

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Crossed square cupola

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also occurs for the dual uniform polyhedra known as the great pentakis dodecahedron (DU58) and medial inverted pentagonal hexecontahedron (DU60). Jim McNeill...

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Dice

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thus functioned as a form of dice. Perhaps the oldest known dice were excavated as part of a backgammon-like game set at the Burnt City, an archeological...

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