Acronym	gidhiddip
Name	great-dodecahemidodecahedron prism
Circumradius	sqrt[7-2 sqrt(5)]/2 = 0.794963
Cross sections	©
General of army	iddip
Colonel of regiment	giddip
Dihedral angles	at {5/2} between gidhid and stip:   90° at {10/3} between gidhid and stiddip:   90° at {4} between stiddip and stip:   arccos(1/sqrt(5)) = 63.434949°
Face vector	60, 150, 96, 20
External links

Incidence matrix according to Dynkin symbol

hemi( x x5/3x5/3o5/2*a )

60 |   4  1 |  2  2  4 | 1  2 2
---+--------+----------+-------
 2 | 120  * |  1  1  1 | 1  1 1  within base
 2 |   * 30 |  0  0  4 | 0  2 2  lacings
---+--------+----------+-------
 5 |   5  0 | 24  *  * | 1  1 0  {5/2}
10 |  10  0 |  * 12  * | 1  0 1  {10/3}
 4 |   2  2 |  *  * 60 | 0  1 1
---+--------+----------+-------
30 |  60  0 | 12  6  0 | 2  * *  gidhid
10 |  10  5 |  2  0  5 | * 12 *  stip
20 |  20 10 |  0  2 10 | *  * 6  stiddip