Acronym	sradditdahix
Name	small retroditetrahedronary dishecatonicosihexacosachoron
Cross sections	©
Circumradius	sqrt[3+sqrt(5)] = 2.288246
General of army	hi
Colonel of regiment	sidtaxhi
Face vector	600, 3600, 5280, 840
Confer	sefradit thix
External links

As abstract polytope sradditdahix is isomorphic to gard tadhix, thereby interchanging the roles of pentagrams and pentagons, replacing decagons by decagrams, resp. saddid by gaddid.

Incidence matrix

600 |   12 |   12   12   6  12 |   4   4  12
----+------+-------------------+------------
  2 | 3600 |    2    2   1   2 |   1   2   4
----+------+-------------------+------------
  3 |    3 | 2400    *   *   * |   1   0   1
  5 |    5 |    * 1440   *   * |   0   1   1 {5}
  5 |    5 |    *    * 720   * |   0   2   0 {5/2}
 10 |   10 |    *    *   * 720 |   0   0   2 {10}
----+------+-------------------+------------
  4 |    6 |    4    0   0   0 | 600   *   * tet
 20 |   60 |    0   12  12   0 |   * 120   * ditdid
 60 |  120 |   20   12   0  12 |   *   * 120 saddid