Acronym bobipyr
Name bowtie pyramid,
crossed tetragonal pyramid,
half of thah
Circumradius 1/sqrt(2) = 0.707107
General of army squippy
Dihedral angles
  • between xxq and xq(-x)q:   90°
  • between xxx and xxq:   arccos(1/sqrt(3)) = 54.735610°
  • between xxx and xq(-x)q:   arccos(1/sqrt(3)) = 54.735610°
Confer
general pyramids:
n/d-py  
uniform relative:
oct   thah  

Incidence matrix

pt || xq(-x)q   → height = 1/sqrt(2) = 0.707107

1 * | 4 0 0 | 2 2 0
* 4 | 1 1 1 | 1 1 1
----+-------+------
1 1 | 4 * * | 1 1 0 lacing x-edge
0 2 | * 2 * | 1 0 1 base x-edge
0 2 | * * 2 | 0 1 1 base q-edge (diagonals)
----+-------+------
1 2 | 2 1 0 | 2 * * xxx
1 2 | 2 0 1 | * 2 * xxq
0 4 | 0 2 2 | * * 1 xq(-x)q

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