Triangular-pentagrammic duoprism

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Triangular-pentagrammic duoprism
Triangular-pentagrammic duoprism.png
Rank4
TypeUniform
SpaceSpherical
Bowers style acronymTistadip
Info
Coxeter diagramx3o x5/2o
SymmetryA2×H2, order 60
ArmySemi-uniform trapedip
RegimentTistadip
Elements
Vertex figureDigonal disphenoid, edge lengths 1 (base 1), (5–1)/2 (base 2), 2 (sides)
Cells5 triangular prisms, 3 pentagrammic prisms
Faces5 triangles, 15 squares, 3 pentagrams
Edges15+15
Vertices15
Measures (edge length 1)
Circumradius
Hypervolume
Dichoral anglesTrip–4–stip: 90°
 Stip–5/2–stip: 60°
 Trip–3–trip: 36°
Height
Central density2
Euler characteristic0
Number of pieces13
Level of complexity12
Related polytopes
DualTriangular-pentagrammic duotegum
ConjugateTriangular-pentagonal duoprism
Properties
ConvexNo
OrientableYes
NatureTame


The triangular-pentagrammic duoprism or tistadip, also known as the 3-5/2 duoprism, is a uniform duoprism that consists of 3 pentagrammic prisms and 5 triangular prisms, with two of each at each vertex.

Vertex coordinates[edit | edit source]

Coordinates for the vertices of a triangular-pentagonal duoprism with edge length 1 are given by:

External links[edit | edit source]