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Tetrahedral cupola

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Tetrahedral cupola
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In 4-dimensional geometry, the tetrahedral cupola is a polychoron bounded by one tetrahedron, a parallel cuboctahedron, connected by 10 triangular prisms, and 4 triangular pyramids.[1]

Tetrahedral cupola
Thumb
Schlegel diagram
Type Polyhedral cupola
Schläfli symbol {3,3} v rr{3,3}
Cells 16 1 rr{3,3}
1+4 {3,3}
4+6 {}×{3}
Faces 42 24 triangles
18 squares
Edges 42
Vertices 16
Dual
Symmetry group [3,3,1], order 24
Properties convex, regular-faced
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The tetrahedral cupola can be sliced off from a runcinated 5-cell, on a hyperplane parallel to a tetrahedral cell. The cuboctahedron base passes through the center of the runcinated 5-cell, so the Tetrahedral cupola contains half of the tetrahedron and triangular prism cells of the runcinated 5-cell. The cupola can be seen in A2 and A3 Coxeter plane orthogonal projection of the runcinated 5-cell:

More information A3 Coxeter plane, Runcinated 5-cell ...
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See also

References

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