Acronym tratic
Name triangle truncated-cube duoprism
Circumradius sqrt[sqrt(2)+25/12] = 1.870173
Confer
more general:
n,tic-dip  
general polytopal classes:
segmentotera  

As abstract polytope tratic is isomorphic to traquith, thereby replacing octagons by octagrams, resp. tic by quith and op by stop, resp. todip by tistodip and ticcup by quithip.


Incidence matrix according to Dynkin symbol

x3o o3x4x

. . . . . | 72 |  2  2  1 |  1  4  2  1  2 |  2  1  2  4 1 | 1 2 2
----------+----+----------+----------------+---------------+------
x . . . . |  2 | 72  *  * |  1  2  1  0  0 |  2  1  1  2 0 | 1 2 1
. . . x . |  2 |  * 72  * |  0  2  0  1  1 |  1  0  2  2 1 | 1 1 2
. . . . x |  2 |  *  * 36 |  0  0  2  0  2 |  0  1  0  4 1 | 0 2 2
----------+----+----------+----------------+---------------+------
x3o . . . |  3 |  3  0  0 | 24  *  *  *  * |  2  1  0  0 0 | 1 2 0
x . . x . |  4 |  2  2  0 |  * 72  *  *  * |  1  0  1  1 0 | 1 1 1
x . . . x |  4 |  2  0  2 |  *  * 36  *  * |  0  1  0  2 0 | 0 2 1
. . o3x . |  3 |  0  3  0 |  *  *  * 24  * |  0  0  2  0 1 | 1 0 2
. . . x4x |  8 |  0  4  4 |  *  *  *  * 18 |  0  0  0  2 1 | 0 1 2
----------+----+----------+----------------+---------------+------
x3o . x .   6 |  6  3  0 |  2  3  0  0  0 | 24  *  *  * * | 1 1 0
x3o . . x   6 |  6  0  3 |  2  0  3  0  0 |  * 12  *  * * | 0 2 0
x . o3x .   6 |  3  6  0 |  0  3  0  2  0 |  *  * 24  * * | 1 0 1
x . . x4x  16 |  8  8  8 |  0  4  4  0  2 |  *  *  * 18 * | 0 1 1
. . o3x4x  24 |  0 24 12 |  0  0  0  8  6 |  *  *  *  * 3 | 0 0 2
----------+----+----------+----------------+---------------+------
x3o o3x .   9 |  9  9  0 |  3  9  0  3  0 |  3  0  3  0 0 | 8 * *
x3o . x4x  24 | 24 12 12 |  8 12 12  0  3 |  4  4  0  3 0 | * 6 *
x . o3x4x  48 | 24 48 24 |  0 24 12 16 12 |  0  0  8  6 2 | * * 3

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