Acronym	girpdo
Name	great rhombiprismatodisoctachoron
Cross sections	©
Circumradius	sqrt[(7-3 sqrt(2))/2] = 1.174172
Coordinates	((2 sqrt(2)-1)/2, (sqrt(2)-1)/2, 1/2, 1/2)   & all permutations, all changes of sign
Colonel of regiment	gichado
Face vector	192, 480, 304, 48
Confer	blend-component: quitcope
External links

As abstract polytope girpdo is isomorphic to sirpdo, thereby replacing octagrams by octagons, resp. replacing the quitco by girco and groh by sroh.

It can be obtained as the blend of 4 quitcopes.

Incidence matrix

192 |   2   2  1 |  2  2  2  2 | 1  2 2
----+------------+-------------+-------
  2 | 192   *  * |  1  1  1  0 | 1  1 1
  2 |   * 192  * |  0  1  1  1 | 1  1 1
  2 |   *   * 96 |  2  0  0  2 | 0  2 2
----+------------+-------------+-------
  6 |   3   0  3 | 64  *  *  * | 0  1 1
  8 |   4   4  0 |  * 48  *  * | 1  0 1  {8/3}
  4 |   2   2  0 |  *  * 96  * | 1  1 0
  4 |   0   2  2 |  *  *  * 96 | 0  1 1
----+------------+-------------+-------
 24 |  24  24  0 |  0  6 12  0 | 8  * *  (groh)
 12 |   6   6  6 |  2  0  3  3 | * 32 *  (hip)
 48 |  24  24 24 |  8  6  0 12 | *  * 8  (quitco)