Acronym	gardatady
Name	grand retroditetrahedral dishecatonicosachoron
Cross sections	©
Circumradius	sqrt[3-sqrt(5)] = 0.874032
General of army	hi
Colonel of regiment	gadtaxady
Face vector	600, 3600, 3840, 240
Confer	gardatady+1440{5}
External links

As abstract polytope gardatady is isomorphic to sirdatady, thereby replacing pentagrams by pentagons, resp. sidtid by gidtid and gid by id.

Incidence matrix

600 |   12 |   12   12 |   4   6
----+------+-----------+--------
  2 | 3600 |    2    2 |   2   2
----+------+-----------+--------
  3 |    3 | 2400    * |   1   1
  5 |    5 |    * 1440 |   1   1 {5/2}
----+------+-----------+--------
 20 |   60 |   20   12 | 120   * sidtid
 30 |   60 |   20   12 |   * 120 gid