D4.8.1 (EntityTopic, 16)
From Hi.gher. Space
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{{STS Shape | {{STS Shape | ||
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| extra={{STS Polytope | | extra={{STS Polytope | ||
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| - | + | '''D4.8.1''' is a [[bilbirothawroid]] constructed from a tetrahedron-centered patch of the [[rectified 120-cell]]'s surface. It consists of 4 [[triangular hebesphenorotunda|J92]]'s, 12 [[square pyramid]]s, 12 [[pentagonal pyramid]]s, 1+4+12=17 [[tetrahedra]], 1+4+4=9 [[octahedra]], 6 [[J91]]'s, 4 [[triangular cupola]]e, and 4 [[tridiminished icosahedra]]. Total: 68 cells, 250 polygons, 258 edges, 76 vertices. | |
== Structure == | == Structure == | ||
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The lace tower of this polychoron is: | The lace tower of this polychoron is: | ||
Latest revision as of 21:26, 18 March 2014
D4.8.1 is a bilbirothawroid constructed from a tetrahedron-centered patch of the rectified 120-cell's surface. It consists of 4 J92's, 12 square pyramids, 12 pentagonal pyramids, 1+4+12=17 tetrahedra, 1+4+4=9 octahedra, 6 J91's, 4 triangular cupolae, and 4 tridiminished icosahedra. Total: 68 cells, 250 polygons, 258 edges, 76 vertices.
Structure
The lace tower of this polychoron is:
x3o3o f3x3o o3F3o x3x3f F3o3x x3o3f o3x3o
Projections
Centered on tetrahedron surrounded by 4 J92's:
Centered on antipodal octahedron:
Projection envelope (skew polyhedron, a kind of modified icosidodecahedron):
