Acronym	sidtiddip
Name	small-ditrigonary-icosidodecahedron prism
Cross sections	©
Circumradius	1
Colonel of regiment	(is itself locally convex – other uniform polyhedral members: ditdiddip   gidtiddip   & other)
Dihedral angles	at {4} between stip and trip:   arccos(-sqrt[(5+2 sqrt(5))/15]) = 142.622632° at {5/2} between sidtid and stip:   90° at {3} between sidtid and trip:   90°
Face vector	40, 140, 124, 34
Confer	general polytopal classes: Wythoffian polychora
External links

As abstract polytope sidtiddip is isomorphic to gidtiddip, thereby replacing pentagrams by pentagons, resp. replacing stip by pip and sidtid by gidtid.

Incidence matrix according to Dynkin symbol

x x5/2o3o3*b

. .   . .    | 40 |  1   6 |  6  3  3 |  3  3 1
-------------+----+--------+----------+--------
x .   . .    |  2 | 20   * |  6  0  0 |  3  3 0
. x   . .    |  2 |  * 120 |  1  1  1 |  1  1 1
-------------+----+--------+----------+--------
x x   . .    |  4 |  2   2 | 60  *  * |  1  1 0
. x5/2o .    |  5 |  0   5 |  * 24  * |  1  0 1
. x   . o3*b |  3 |  0   3 |  *  * 40 |  0  1 1
-------------+----+--------+----------+--------
x x5/2o .    ♦ 10 |  5  10 |  5  2  0 | 12  * *
x x   . o3*b ♦  6 |  3   6 |  3  0  2 |  * 20 *
. x5/2o3o3*b ♦ 20 |  0  60 |  0 12 20 |  *  * 2

x x5/2o3/2o3/2*b

. .   .   .      | 40 |  1   6 |  6  3  3 |  3  3 1
-----------------+----+--------+----------+--------
x .   .   .      |  2 | 20   * |  6  0  0 |  3  3 0
. x   .   .      |  2 |  * 120 |  1  1  1 |  1  1 1
-----------------+----+--------+----------+--------
x x   .   .      |  4 |  2   2 | 60  *  * |  1  1 0
. x5/2o   .      |  5 |  0   5 |  * 24  * |  1  0 1
. x   .   o3/2*b |  3 |  0   3 |  *  * 40 |  0  1 1
-----------------+----+--------+----------+--------
x x5/2o   .      ♦ 10 |  5  10 |  5  2  0 | 12  * *
x x   .   o3/2*b ♦  6 |  3   6 |  3  0  2 |  * 20 *
. x5/2o3/2o3/2*b ♦ 20 |  0  60 |  0 12 20 |  *  * 2

x x5/3o3o3/2*b

. .   . .      | 40 |  1   6 |  6  3  3 |  3  3 1
---------------+----+--------+----------+--------
x .   . .      |  2 | 20   * |  6  0  0 |  3  3 0
. x   . .      |  2 |  * 120 |  1  1  1 |  1  1 1
---------------+----+--------+----------+--------
x x   . .      |  4 |  2   2 | 60  *  * |  1  1 0
. x5/3o .      |  5 |  0   5 |  * 24  * |  1  0 1
. x   . o3/2*b |  3 |  0   3 |  *  * 40 |  0  1 1
---------------+----+--------+----------+--------
x x5/3o .      ♦ 10 |  5  10 |  5  2  0 | 12  * *
x x   . o3/2*b ♦  6 |  3   6 |  3  0  2 |  * 20 *
. x5/3o3o3/2*b ♦ 20 |  0  60 |  0 12 20 |  *  * 2

x x5/3o3/2o3*b

. .   .   .    | 40 |  1   6 |  6  3  3 |  3  3 1
---------------+----+--------+----------+--------
x .   .   .    |  2 | 20   * |  6  0  0 |  3  3 0
. x   .   .    |  2 |  * 120 |  1  1  1 |  1  1 1
---------------+----+--------+----------+--------
x x   .   .    |  4 |  2   2 | 60  *  * |  1  1 0
. x5/3o   .    |  5 |  0   5 |  * 24  * |  1  0 1
. x   .   o3*b |  3 |  0   3 |  *  * 40 |  0  1 1
---------------+----+--------+----------+--------
x x5/3o   .    ♦ 10 |  5  10 |  5  2  0 | 12  * *
x x   .   o3*b ♦  6 |  3   6 |  3  0  2 |  * 20 *
. x5/3o3/2o3*b ♦ 20 |  0  60 |  0 12 20 |  *  * 2