Acronym ...
Name d3o3x,
variation of cuboctahedron
Circumradius sqrt(85/12) = 2.661453
General of army (is itself convex)
Colonel of regiment (is itself locally convex)
Dihedral angles
  • between d3o and d . x:   arccos[-1/sqrt(3)] = 125.264390°
  • between o3x and d . x:   arccos[-1/sqrt(3)] = 125.264390°
Face vector 12, 24, 14
Confer
uniform variant:
co  
variations:
a3b3c   q3o3x   f3o3x   v3o3x   u3o3x  

d = 3x = x+u


Incidence matrix according to Dynkin symbol

d3o3x

. . . | 12 |  2  2 | 1 2 1
------+----+-------+------
d . . |  2 | 12  * | 1 1 0
. . x |  2 |  * 12 | 0 1 1
------+----+-------+------
d3o . |  3 |  3  0 | 4 * *
d . x |  4 |  2  2 | * 6 *
. o3x |  3 |  0  3 | * * 4


d3/2o3/2x

.   .   . | 12 |  2  2 | 1 2 1
----------+----+-------+------
d   .   . |  2 | 12  * | 1 1 0
.   .   x |  2 |  * 12 | 0 1 1
----------+----+-------+------
d3/2o   . |  3 |  3  0 | 4 * *
d   .   x |  4 |  2  2 | * 6 *
.   o3/2x |  3 |  0  3 | * * 4

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