Acronym ...
Name vertex figure of biprismatododecateron
Cross sections
 ©
Circumradius sqrt(2/3) = 0.816497
General of army triddip
Pattern
a   b
 c            g   h
               i
d   e
 f

Incidence matrix

9 |  4  4 | 2 12 | 4 4
--+-------+------+----
2 | 18  * | 1  2 | 2 1  ab x
2 |  * 18 | 0  4 | 2 2  ae q
--+-------+------+----
3 |  3  0 | 6  * | 2 0  abc xxx verf(tet)
3 |  1  2 | * 36 | 1 1  abf xqq verf(trip)
--+-------+------+----
6 |  6  6 | 2  6 | 6 *  abcdef verf(firp)
4 |  2  4 | 0  4 | * 9  abfi verf(triddip)

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