Acronym endjak
Name ennea-diminished jak
Circumradius sqrt(2/3) = 0.816497
Lace city
in approx. ASCII-art
    A    	
         	where:
    C    	A = x3o o3o
A       A	C = o3x o3x (triddip)
Confer
uniform relative:
jak  
general polytopal classes:
scaliform  

Incidence matrix according to Dynkin symbol

xo3ox xo3oo ox3oo&#zx   → height = 0
(tegum sum of 2 partially dual, partially ortho triddips)

o.3o. o.3o. o.3o.    & | 18 |  2  2  6 | 1  4 1  9  18 | 2 3 15 12  8 12 |  9 18  5 10 | 6  7 2
-----------------------+----+----------+---------------+-----------------+-------------+-------
x. .. .. .. .. ..    & |  2 | 18  *  * | 1  2 0  3   0 | 2 3  6  3  0  0 |  9  6  1  0 | 6  2 0
.. .. x. .. .. ..    & |  2 |  * 18  * | 0  2 1  0   6 | 1 0  6  3  6  6 |  3  9  3  8 | 3  5 2
oo3oo oo3oo oo3oo&#x   |  2 |  *  * 54 | 0  0 0  2   4 | 0 1  4  4  2  4 |  4  8  2  4 | 4  4 1
-----------------------+----+----------+---------------+-----------------+-------------+-------
x.3o. .. .. .. ..    & |  3 |  3  0  0 | 6  * *  *   *  2 3  0  0  0  0 |  9  0  0  0 | 6  0 0
x. .. x. .. .. ..    & |  4 |  2  2  0 | * 18 *  *   * | 1 0  3  0  0  0 |  3  3  0  0 | 3  1 0
.. .. x.3o. .. ..    & |  3 |  0  3  0 | *  * 6  *   *  0 0  0  0  6  0 |  0  0  3  6 | 0  3 2
xo .. .. .. .. ..&#x & |  3 |  1  0  2 | *  * * 54   * | 0 1  2  2  0  0 |  4  4  1  0 | 4  2 0
.. .. xo .. .. ..&#x & |  3 |  0  1  2 | *  * *  * 108 | 0 0  1  1  1  2 |  1  4  1  3 | 2  3 1
-----------------------+----+----------+---------------+-----------------+-------------+-------
x.3o. x. .. .. ..    &   6 |  6  3  0 | 2  3 0  0   0 | 6 *  *  *  *  * |  3  0  0  0 | 3  0 0
xo3ox .. .. .. ..&#x     6 |  6  0  6 | 2  0 0  6   0 | * 9  *  *  *  * |  4  0  0  0 | 4  0 0
xo .. xo .. .. ..&#x &   5 |  2  2  4 | 0  1 0  2   2 | * * 54  *  *  * |  1  2  0  0 | 2  1 0
xo .. .. .. ox ..&#x &   4 |  1  1  4 | 0  0 0  2   2 | * *  * 54  *  * |  1  2  1  0 | 2  2 0
.. .. xo3oo .. ..&#x &   4 |  0  3  3 | 0  0 1  0   3 | * *  *  * 36  * |  0  0  1  2 | 0  2 1
.. .. xo .. ox ..&#x     4 |  0  2  4 | 0  0 0  0   4 | * *  *  *  * 54 |  0  2  0  2 | 1  2 1
-----------------------+----+----------+---------------+-----------------+-------------+-------
xo3ox xo .. .. ..&#x &   9 |  9  3 12 | 3  3 0 12   6 | 1 2  3  3  0  0 | 18  *  *  * | 2  0 0
xo .. xo .. ox ..&#x &   6 |  2  3  8 | 0  1 0  4   8 | 0 0  2  2  0  2 |  * 54  *  * | 1  1 0
xo .. .. .. ox3oo&#x &   5 |  1  3  6 | 0  0 1  3   6 | 0 0  0  3  2  0 |  *  * 18  * | 0  2 0
.. .. xo3oo ox ..&#x &   5 |  0  4  6 | 0  0 1  0   9 | 0 0  0  0  2  3 |  *  *  * 36 | 0  1 1
-----------------------+----+----------+---------------+-----------------+-------------+-------
xo3ox xo .. ox ..&#x    12 | 12  6 24 | 4  6 0 24  24 | 2 4 12 12  0  6 |  4  6  0  0 | 9  * *
xo .. xo .. ox3oo&#x &   7 |  2  5 12 | 0  1 1  6  18 | 0 0  3  6  4  6 |  0  3  2  2 | * 18 *
.. .. xo3oo ox3oo&#x     6 |  0  6  9 | 0  0 2  0  18 | 0 0  0  0  6  9 |  0  0  0  6 | *  * 6

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