Acronym mibdipy, K-4.87
Name metabidiminished-icosahedral pyramid
Segmentochoron display
Circumradius (1+sqrt(5))/2 = 1.618034
Dihedral angles
  • at {3} between tet and tet:   arccos[-(1+3 sqrt(5))/8] = 164.477512°
  • at {3} between peppy and peppy:   120°
  • at {5} between mibdi and peppy:   36°
  • at {3} between mibdi and tet:   arccos(sqrt[7+3 sqrt(5)]/4) = 22.238756°
  • at {3} between peppy and tet:   arccos(sqrt[7+3 sqrt(5)]/4) = 22.238756°
Lace city
in approx. ASCII-art
           o o           
                         
                         
x o        f x   o f  x o
Confer
uniform relative:
ex  
segmentochora:
peppypy   ikepy   teddipy  
general polytopal classes:
segmentochora  

Incidence matrix

pt || mibdi   → height = (sqrt(5)-1)/4 = 0.309017

1 * * * * | 2 4 2 2 0 0 0 0 0 0 0 | 1 4 2 4 4 4 1 0 0 0 0 0 | 2 2 2 4 2 0  verf = mibdi
* 2 * * * | 1 0 0 0 1 2 0 0 0 0 0 | 1 2 0 0 0 0 0 2 1 0 0 0 | 2 1 0 0 0 1  x o (of mibdi)
* * 4 * * | 0 1 0 0 0 1 1 1 1 0 0 | 0 1 1 1 1 0 0 1 1 1 1 0 | 1 1 1 1 0 1  f x (of mibdi)
* * * 2 * | 0 0 1 0 0 0 0 2 0 2 0 | 0 0 0 2 0 2 0 1 0 0 2 1 | 1 0 0 2 1 1  o f (of mibdi)
* * * * 2 | 0 0 0 1 0 0 0 0 2 2 1 | 0 0 0 0 2 2 1 0 0 1 2 2 | 0 0 1 2 2 1  x o (of mibdi)
----------+-----------------------+-------------------------+------------
1 1 0 0 0 | 2 * * * * * * * * * * | 1 2 0 0 0 0 0 0 0 0 0 0 | 2 1 0 0 0 0
1 0 1 0 0 | * 4 * * * * * * * * * | 0 1 1 1 1 0 0 0 0 0 0 0 | 1 1 1 1 0 0
1 0 0 1 0 | * * 2 * * * * * * * * | 0 0 0 2 0 2 0 0 0 0 0 0 | 1 0 0 2 1 0
1 0 0 0 1 | * * * 2 * * * * * * * | 0 0 0 0 2 2 1 0 0 0 0 0 | 0 0 1 2 2 0
0 2 0 0 0 | * * * * 1 * * * * * * | 1 0 0 0 0 0 0 2 0 0 0 0 | 2 0 0 0 0 1
0 1 1 0 0 | * * * * * 4 * * * * * | 0 1 0 0 0 0 0 1 1 0 0 0 | 1 1 0 0 0 1
0 0 2 0 0 | * * * * * * 2 * * * * | 0 0 1 0 0 0 0 0 1 1 0 0 | 0 1 1 0 0 1
0 0 1 1 0 | * * * * * * * 4 * * * | 0 0 0 1 0 0 0 1 0 0 1 0 | 1 0 0 1 0 1
0 0 1 0 1 | * * * * * * * * 4 * * | 0 0 0 0 1 0 0 0 0 1 1 0 | 0 0 1 1 0 1
0 0 0 1 1 | * * * * * * * * * 4 * | 0 0 0 0 0 1 0 0 0 0 1 1 | 0 0 0 1 1 1
0 0 0 0 2 | * * * * * * * * * * 1 | 0 0 0 0 0 0 1 0 0 0 0 2 | 0 0 0 0 2 1
----------+-----------------------+-------------------------+------------
1 2 0 0 0 | 2 0 0 0 1 0 0 0 0 0 0 | 1 * * * * * * * * * * * | 2 0 0 0 0 0
1 1 1 0 0 | 1 1 0 0 0 1 0 0 0 0 0 | * 4 * * * * * * * * * * | 1 1 0 0 0 0
1 0 2 0 0 | 0 2 0 0 0 0 1 0 0 0 0 | * * 2 * * * * * * * * * | 0 1 1 0 0 0
1 0 1 1 0 | 0 1 1 0 0 0 0 1 0 0 0 | * * * 4 * * * * * * * * | 1 0 0 1 0 0
1 0 1 0 1 | 0 1 0 1 0 0 0 0 1 0 0 | * * * * 4 * * * * * * * | 0 0 1 1 0 0
1 0 0 1 1 | 0 0 1 1 0 0 0 0 0 1 0 | * * * * * 4 * * * * * * | 0 0 0 1 1 0
1 0 0 0 2 | 0 0 0 2 0 0 0 0 0 0 1 | * * * * * * 1 * * * * * | 0 0 0 0 2 0
0 2 2 1 0 | 0 0 0 0 1 2 0 2 0 0 0 | * * * * * * * 2 * * * * | 1 0 0 0 0 1
0 1 2 0 0 | 0 0 0 0 0 2 1 0 0 0 0 | * * * * * * * * 2 * * * | 0 1 0 0 0 1
0 0 2 0 1 | 0 0 0 0 0 0 1 0 2 0 0 | * * * * * * * * * 2 * * | 0 0 1 0 0 1
0 0 1 1 1 | 0 0 0 0 0 0 0 1 1 1 0 | * * * * * * * * * * 4 * | 0 0 0 1 0 1
0 0 0 1 2 | 0 0 0 0 0 0 0 0 0 2 1 | * * * * * * * * * * * 2 | 0 0 0 0 1 1
----------+-----------------------+-------------------------+------------
1 2 2 1 0 | 2 2 1 0 1 2 0 2 0 0 0 | 1 2 0 2 0 0 0 1 0 0 0 0 | 2 * * * * *  peppy
1 1 2 0 0 | 1 2 0 0 0 2 1 0 0 0 0 | 0 2 1 0 0 0 0 0 1 0 0 0 | * 2 * * * *  tet
1 0 2 0 1 | 0 2 0 1 0 0 1 0 2 0 0 | 0 0 1 0 2 0 0 0 0 1 0 0 | * * 2 * * *  tet
1 0 1 1 1 | 0 1 1 1 0 0 0 1 1 1 0 | 0 0 0 1 1 1 0 0 0 0 1 0 | * * * 4 * *  tet
1 0 0 1 2 | 0 0 1 2 0 0 0 0 0 2 1 | 0 0 0 0 0 2 1 0 0 0 0 1 | * * * * 2 *  tet
0 2 4 2 2 | 0 0 0 0 1 4 2 4 4 4 1 | 0 0 0 0 0 0 0 2 2 2 4 2 | * * * * * 1  mibdi

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