Acronym trati
Name triangle - truncated-icosahedron duoprism
Circumradius sqrt[(95+27 sqrt(5))/24] = 2.544388
Confer
more general:
n,ti-dip  
general polytopal classes:
segmentotera  

Incidence matrix according to Dynkin symbol

x3o x3x5o

. . . . . | 180 |   2  1   2 |  1  2   4  2  1 |  1  2  4  2 1 |  2  1 2
----------+-----+------------+-----------------+---------------+--------
x . . . . |   2 | 180  *   * |  1  1   2  0  0 |  1  2  2  1 0 |  2  1 1
. . x . . |   2 |   * 90   * |  0  2   0  2  0 |  1  0  4  0 1 |  2  0 2
. . . x . |   2 |   *  * 180 |  0  0   2  1  1 |  0  1  2  2 1 |  1  1 2
----------+-----+------------+-----------------+---------------+--------
x3o . . . |   3 |   3  0   0 | 60  *   *  *  * |  1  2  0  0 0 |  2  1 0
x . x . . |   4 |   2  2   0 |  * 90   *  *  * |  1  0  2  0 0 |  2  0 1
x . . x . |   4 |   2  0   2 |  *  * 180  *  * |  0  1  1  1 0 |  1  1 1
. . x3x . |   6 |   0  3   3 |  *  *   * 60  * |  0  0  2  0 1 |  1  0 2
. . . x5o |   5 |   0  0   5 |  *  *   *  * 36 |  0  0  0  2 1 |  0  1 2
----------+-----+------------+-----------------+---------------+--------
x3o x . .    6 |   6  3   0 |  2  3   0  0  0 | 30  *  *  * * |  2  0 0
x3o . x .    6 |   6  0   3 |  2  0   3  0  0 |  * 60  *  * * |  1  1 0
x . x3x .   12 |   6  6   6 |  0  3   3  2  0 |  *  * 60  * * |  1  0 1
x . . x5o   10 |   5  0  10 |  0  0   5  0  2 |  *  *  * 36 * |  0  1 1
. . x3x5o   60 |   0 30  60 |  0  0   0 20 12 |  *  *  *  * 3 |  0  0 2
----------+-----+------------+-----------------+---------------+--------
x3o x3x .   18 |  18  9   9 |  6  9   9  3  0 |  3  3  3  0 0 | 20  * *
x3o . x5o   15 |  15  0  15 |  5  0  15  0  3 |  0  5  0  3 0 |  * 12 *
x . x3x5o  120 |  60 60 120 |  0 30  60 40 24 |  0  0 20 12 2 |  *  * 3

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