It either can be thought of as a degenerate 5D segmentotope with zero height, or as a 4D euclidean decomposition of the larger base into smaller bits.

Incidence matrix according to Dynkin symbol

oo3xx3oo4ox&#x   → height = 0
(ico || srit)

o.3o.3o.4o.    | 24  * |  8  4   0  0 |  4  8  16  4  0  0  0  0 |  4 2  8  8  8  1  0  0 0 | 1  4  8 2 0
.o3.o3.o4.o    |  * 96 |  0  1   4  2 |  0  0   4  2  2  2  4  1 |  0 0  2  2  4  1  1  2 2 | 0  1  2 2 1
---------------+-------+--------------+--------------------------+--------------------------+------------
.. x. .. ..    |  2  0 | 96  *   *  * |  1  2   2  0  0  0  0  0 |  2 1  2  2  1  0  0  0 0 | 1  2  1 1 0
oo3oo3oo4oo&#x |  1  1 |  * 96   *  * |  0  0   4  2  0  0  0  0 |  0 0  2  2  4  1  0  0 0 | 0  1  2 2 0
.. .x .. ..    |  0  2 |  *  * 192  * |  0  0   1  0  1  1  1  0 |  0 0  1  1  1  0  1  1 1 | 0  1  1 1 1
.. .. .. .x    |  0  2 |  *  *   * 96 |  0  0   0  1  0  0  2  1 |  0 0  0  0  2  1  0  1 2 | 0  0  1 2 1
---------------+-------+--------------+--------------------------+--------------------------+------------
o.3x. .. ..    |  3  0 |  3  0   0  0 | 32  *   *  *  *  *  *  * |  2 0  2  0  0  0  0  0 0 | 1  2  1 0 0
.. x.3o. ..    |  3  0 |  3  0   0  0 |  * 64   *  *  *  *  *  * |  1 1  0  1  0  0  0  0 0 | 1  1  0 1 0
.. xx .. ..&#x |  2  2 |  1  2   1  0 |  *  * 192  *  *  *  *  * |  0 0  1  1  1  0  0  0 0 | 0  1  1 1 0
.. .. .. ox&#x |  1  2 |  0  2   0  1 |  *  *   * 96  *  *  *  * |  0 0  0  0  2  1  0  0 0 | 0  0  1 2 0
.o3.x .. ..    |  0  3 |  0  0   3  0 |  *  *   *  * 64  *  *  * |  0 0  1  0  0  0  1  1 0 | 0  1  1 0 1
.. .x3.o ..    |  0  3 |  0  0   3  0 |  *  *   *  *  * 64  *  * |  0 0  0  1  0  0  1  0 1 | 0  1  0 1 1
.. .x .. .x    |  0  4 |  0  0   2  2 |  *  *   *  *  *  * 96  * |  0 0  0  0  1  0  0  1 1 | 0  0  1 1 1
.. .. .o4.x    |  0  4 |  0  0   0  4 |  *  *   *  *  *  *  * 24 |  0 0  0  0  0  1  0  0 2 | 0  0  0 2 1
---------------+-------+--------------+--------------------------+--------------------------+------------
o.3x.3o. ..    ♦  6  0 | 12  0   0  0 |  4  4   0  0  0  0  0  0 | 16 *  *  *  *  *  *  * * | 1  1  0 0 0
.. x.3o.4o.    ♦  6  0 | 12  0   0  0 |  0  8   0  0  0  0  0  0 |  * 8  *  *  *  *  *  * * | 1  0  0 1 0
oo3xx .. ..&#x ♦  3  3 |  3  3   3  0 |  1  0   3  0  1  0  0  0 |  * * 64  *  *  *  *  * * | 0  1  1 0 0
.. xx3oo ..&#x ♦  3  3 |  3  3   3  0 |  0  1   3  0  0  1  0  0 |  * *  * 64  *  *  *  * * | 0  1  0 1 0
.. xx .. ox&#x ♦  2  4 |  1  4   2  2 |  0  0   2  2  0  0  1  0 |  * *  *  * 96  *  *  * * | 0  0  1 1 0
.. .. oo4ox&#x ♦  1  4 |  0  4   0  4 |  0  0   0  4  0  0  0  1 |  * *  *  *  * 24  *  * * | 0  0  0 2 0
.o3.x3.o ..    ♦  0  6 |  0  0  12  0 |  0  0   0  0  4  4  0  0 |  * *  *  *  *  * 16  * * | 0  1  0 0 1
.o3.x .. .x    ♦  0  6 |  0  0   6  3 |  0  0   0  0  2  0  3  0 |  * *  *  *  *  *  * 32 * | 0  0  1 0 1
.. .x3.o4.x    ♦  0 24 |  0  0  24 24 |  0  0   0  0  0  8 12  6 |  * *  *  *  *  *  *  * 8 | 0  0  0 1 1
---------------+-------+--------------+--------------------------+--------------------------+------------
o.3x.3o.4o.    ♦ 24  0 | 96  0   0  0 | 32 64   0  0  0  0  0  0 | 16 8  0  0  0  0  0  0 0 | 1  *  * * *
oo3xx3oo ..&#x ♦  6  6 | 12  6  12  0 |  4  4  12  0  4  4  0  0 |  1 0  4  4  0  0  1  0 0 | * 16  * * *
oo3xx .. ox&#x ♦  3  6 |  3  6   6  3 |  1  0   6  3  2  0  3  0 |  0 0  2  0  3  0  0  1 0 | *  * 32 * *
.. xx3oo4ox&#x ♦  6 24 | 12 24  24 24 |  0  8  24 24  0  8 12  6 |  0 1  0  8 12  6  0  0 1 | *  *  * 8 *
.o3.x3.o4.x    ♦  0 96 |  0  0 192 96 |  0  0   0  0 64 64 96 24 |  0 0  0  0  0  0 16 32 8 | *  *  * * 1