Acronym	geihiddip
Name	great-icosihemidodecahedron prism
Circumradius	sqrt[7-2 sqrt(5)]/2 = 0.794963
Cross sections	©
General of army	iddip
Colonel of regiment	giddip
Dihedral angles	at {3} between geihid and trip:   90° at {10/3} between geihid and stiddip:   90° at {4} between stiddip and trip:   arccos(sqrt[(5+2 sqrt(5))/15]) = 37.377368°
Face vector	60, 150, 112, 28
External links

Incidence matrix according to Dynkin symbol

hemi( x o3/2x5/3x3*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  lacing
---+--------+----------+-------
 3 |   3  0 | 40  *  * | 1  1 0
10 |  10  0 |  * 12  * | 1  0 1  {10/3}
 4 |   2  2 |  *  * 60 | 0  1 1
---+--------+----------+-------
30 |  60  0 | 20  6  0 | 2  * *  geihid
 6 |   6  3 |  2  0  3 | * 20 *  trip
20 |  20 10 |  0  2 10 | *  * 6  stiddip