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Acronymteddipy, K-4.88
Nametridiminished-icosahedral pyramid
Segmentochoron display /
VRML
⭳
Circumradius(1+sqrt(5))/2 = 1.618034
Dihedral angles
  • at {3} betweentet andtet:   arccos[-(1+3 sqrt(5))/8] = 164.477512°
  • at {3} betweenpeppy andpeppy:   120°
  • at {5} betweenpeppy andteddi:   36°
  • at {3} betweenteddi andtet:   arccos(sqrt[7+3 sqrt(5)]/4) = 22.238756°
  • at {3} betweenpeppy andtet:   arccos(sqrt[7+3 sqrt(5)]/4) = 22.238756°
Lace city
in approx. ASCII-art
      o3o                     x3o    f3o  o3x
Face vector10, 24, 23, 9
Confer
uniform relative:
ex  
segmentochora:
peppypy  ikepy  mibdipy  
general polytopal classes:
segmentochora  

Incidence matrix

pt||teddi   → height = (sqrt(5)-1)/4 = 0.3090171 * * * | 3 3 3 0 0 0 0 | 3 3 6 3 0 0 0 0 | 1 3 3 1 0  verf = teddi* 3 * * | 1 0 0 2 1 0 0 | 2 1 0 0 1 2 0 0 | 1 2 0 0 1  x3o (of teddi)* * 3 * | 0 1 0 0 1 2 0 | 0 1 2 0 0 2 1 0 | 0 2 1 0 1  f3o (of teddi)* * * 3 | 0 0 1 0 0 2 2 | 0 0 2 2 0 1 2 1 | 0 1 2 1 1  o3x (of teddi)--------+---------------+-----------------+----------1 1 0 0 | 3 * * * * * * | 2 1 0 0 0 0 0 0 | 1 2 0 0 01 0 1 0 | * 3 * * * * * | 0 1 2 0 0 0 0 0 | 0 2 1 0 01 0 0 1 | * * 3 * * * * | 0 0 2 2 0 0 0 0 | 0 1 2 1 00 2 0 0 | * * * 3 * * * | 1 0 0 0 1 1 0 0 | 1 1 0 0 10 1 1 0 | * * * * 3 * * | 0 1 0 0 0 2 0 0 | 0 2 0 0 10 0 1 1 | * * * * * 6 * | 0 0 1 0 0 1 1 0 | 0 1 1 0 10 0 0 2 | * * * * * * 3 | 0 0 0 1 0 0 1 1 | 0 0 1 1 1--------+---------------+-----------------+----------1 2 0 0 | 2 0 0 1 0 0 0 | 3 * * * * * * * | 1 1 0 0 01 1 1 0 | 1 1 0 0 1 0 0 | * 3 * * * * * * | 0 2 0 0 01 0 1 1 | 0 1 1 0 0 1 0 | * * 6 * * * * * | 0 1 1 0 01 0 0 2 | 0 0 2 0 0 0 1 | * * * 3 * * * * | 0 0 1 1 00 3 0 0 | 0 0 0 3 0 0 0 | * * * * 1 * * * | 1 0 0 0 10 2 2 1 | 0 0 0 1 2 2 0 | * * * * * 3 * * | 0 1 0 0 10 0 1 2 | 0 0 0 0 0 2 1 | * * * * * * 3 * | 0 0 1 0 10 0 0 3 | 0 0 0 0 0 0 3 | * * * * * * * 1 | 0 0 0 1 1--------+---------------+-----------------+----------1 3 0 0 | 3 0 0 3 0 0 0 | 3 0 0 0 1 0 0 0 | 1 * * * *tet1 2 2 1 | 2 2 1 1 2 2 0 | 1 2 2 0 0 1 0 0 | * 3 * * *peppy1 0 1 2 | 0 1 2 0 0 2 1 | 0 0 2 1 0 0 1 0 | * * 3 * *tet1 0 0 3 | 0 0 3 0 0 0 3 | 0 0 0 3 0 0 0 1 | * * * 1 *tet0 3 3 3 | 0 0 0 3 3 6 3 | 0 0 0 0 1 3 3 1 | * * * *1teddi

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