Acronym	tragirco
Name	triangle - great-rhombicuboctahedron duoprism
Circumradius	sqrt[(43+18 sqrt(2))/12] = 2.388442
Face vector	144, 360, 342, 153, 29
Confer	more general: n,girco-dip   general polytopal classes: Wythoffian polytera   segmentotera
External links

As abstract polytope tragirco is isomorphic to traquitco, thereby replacing octagons by octagrams, resp. replacing op by stop and girco by quitco, resp. replacing todip by tistodip and gircope by quitcope.

Incidence matrix according to Dynkin symbol

x3o x3x4x

. . . . . | 144 |   2  1  1  1 |  1  2  2  2  1  1  1 |  1  1  1  2  2  2 1 | 1  1 1 2
----------+-----+--------------+----------------------+---------------------+---------
x . . . . |   2 | 144  *  *  * |  1  1  1  1  0  0  0 |  1  1  1  1  1  1 0 | 1  1 1 1
. . x . . |   2 |   * 72  *  * |  0  2  0  0  1  1  0 |  1  0  0  2  2  0 1 | 1  1 0 2
. . . x . |   2 |   *  * 72  * |  0  0  2  0  1  0  1 |  0  1  0  2  0  2 1 | 1  0 1 2
. . . . x |   2 |   *  *  * 72 |  0  0  0  2  0  1  1 |  0  0  1  0  2  2 1 | 0  1 1 2
----------+-----+--------------+----------------------+---------------------+---------
x3o . . . |   3 |   3  0  0  0 | 48  *  *  *  *  *  * |  1  1  1  0  0  0 0 | 1  1 1 0
x . x . . |   4 |   2  2  0  0 |  * 72  *  *  *  *  * |  1  0  0  1  1  0 0 | 1  1 0 1
x . . x . |   4 |   2  0  2  0 |  *  * 72  *  *  *  * |  0  1  0  1  0  1 0 | 1  0 1 1
x . . . x |   4 |   2  0  0  2 |  *  *  * 72  *  *  * |  0  0  1  0  1  1 0 | 0  1 1 1
. . x3x . |   6 |   0  3  3  0 |  *  *  *  * 24  *  * |  0  0  0  2  0  0 1 | 1  0 0 2
. . x . x |   4 |   0  2  0  2 |  *  *  *  *  * 36  * |  0  0  0  0  2  0 1 | 0  1 0 2
. . . x4x |   8 |   0  0  4  4 |  *  *  *  *  *  * 18 |  0  0  0  0  0  2 1 | 0  0 1 2
----------+-----+--------------+----------------------+---------------------+---------
x3o x . . ♦   6 |   6  3  0  0 |  2  3  0  0  0  0  0 | 24  *  *  *  *  * * | 1  1 0 0
x3o . x . ♦   6 |   6  0  3  0 |  2  0  3  0  0  0  0 |  * 24  *  *  *  * * | 1  0 1 0
x3o . . x ♦   6 |   6  0  0  3 |  2  0  0  3  0  0  0 |  *  * 24  *  *  * * | 0  1 1 0
x . x3x . ♦  12 |   6  6  6  0 |  0  3  3  0  2  0  0 |  *  *  * 24  *  * * | 1  0 0 1
x . x . x ♦   8 |   4  4  0  4 |  0  2  0  2  0  2  0 |  *  *  *  * 36  * * | 0  1 0 1
x . . x4x ♦  16 |   8  0  8  8 |  0  0  4  4  0  0  2 |  *  *  *  *  * 18 * | 0  0 1 1
. . x3x4x ♦  48 |   0 24 24 24 |  0  0  0  0  8 12  6 |  *  *  *  *  *  * 3 | 0  0 0 2
----------+-----+--------------+----------------------+---------------------+---------
x3o x3x . ♦  18 |  18  9  9  0 |  6  9  9  0  3  0  0 |  3  3  0  3  0  0 0 | 8  * * *
x3o x . x ♦  12 |  12  6  0  6 |  4  6  0  6  0  3  0 |  2  0  2  0  3  0 0 | * 12 * *
x3o . x4x ♦  24 |  24  0 12 12 |  8  0 12 12  0  0  3 |  0  4  4  0  0  3 0 | *  * 6 *
x . x3x4x ♦  96 |  48 48 48 48 |  0 24 24 24 16 24 12 |  0  0  0  8 12  6 2 | *  * * 3

snubbed forms: x3o s3s4s