It either can be thought of as a degenerate 6D segmentotope with zero height, or as a 5D euclidean decomposition of the larger base into smaller bits.

Incidence matrix according to Dynkin symbol

oo3ox3oo3xx4xx&#x   → height = 0
(tan || pattin)

o.3o.3o.3o.4o.    | 160   * |   4  1   6    0   0   0 |   6  4   12  12   6   0   0   0   0   0   0 |   4  6   4   4  12  12   6  12   0   0   0   0   0   0  0 |  1  4   1   4   4   4   4  12  6  0  0  0  0 | 1  1  1  4  4 0
.o3.o3.o3.o4.o    |   * 960 |   0  0   1    4   2   1 |   0  0    4   2   1   2   2   4   4   1   2 |   0  0   2   2   4   4   1   2   1   2   2   2   2   4  1 |  0  0   1   2   2   2   2   4  1  1  1  2  2 | 0  1  1  2  2 1
------------------+---------+-------------------------+---------------------------------------------+-----------------------------------------------------------+----------------------------------------------+----------------
.. .. .. x. ..    |   2   0 | 320  *   *    *   *   * |   3  1    0   3   0   0   0   0   0   0   0 |   3  3   0   0   3   0   3   3   0   0   0   0   0   0  0 |  1  3   0   1   0   3   0   3  3  0  0  0  0 | 1  1  0  1  3 0
.. .. .. .. x.    |   2   0 |   * 80   *    *   *   * |   0  4    0   0   6   0   0   0   0   0   0 |   0  6   0   0   0  12   0  12   0   0   0   0   0   0  0 |  0  4   0   0   4   0   4  12  6  0  0  0  0 | 1  0  1  4  4 0
oo3oo3oo3oo4oo&#x |   1   1 |   *  * 960    *   *   * |   0  0    4   2   1   0   0   0   0   0   0 |   0  0   2   2   4   4   1   2   0   0   0   0   0   0  0 |  0  0   1   2   2   2   2   4  1  0  0  0  0 | 0  1  1  2  2 0
.. .x .. .. ..    |   0   2 |   *  *   * 1920   *   * |   0  0    1   0   0   1   1   1   1   0   0 |   0  0   1   1   1   1   0   0   1   1   1   1   1   1  0 |  0  0   1   1   1   1   1   1  0  1  1  1  1 | 0  1  1  1  1 1
.. .. .. .x ..    |   0   2 |   *  *   *    * 960   * |   0  0    0   1   0   0   0   2   0   1   1 |   0  0   0   0   2   0   1   1   0   1   0   2   0   2  1 |  0  0   0   1   0   2   0   2  1  1  0  1  2 | 0  1  0  1  2 1
.. .. .. .. .x    |   0   2 |   *  *   *    *   * 480 |   0  0    0   0   1   0   0   0   4   0   2 |   0  0   0   0   0   4   0   2   0   0   2   0   2   4  1 |  0  0   0   0   2   0   2   4  1  0  1  2  2 | 0  0  1  2  2 1
------------------+---------+-------------------------+---------------------------------------------+-----------------------------------------------------------+----------------------------------------------+----------------
.. .. o.3x. ..    |   3   0 |   3  0   0    0   0   0 | 320  *    *   *   *   *   *   *   *   *   * |   2  1   0   0   0   0   1   0   0   0   0   0   0   0  0 |  1  2   0   0   0   2   0   0  1  0  0  0  0 | 1  1  0  0  2 0
.. .. .. x.4x.    |   8   0 |   4  4   0    0   0   0 |   * 80    *   *   *   *   *   *   *   *   * |   0  3   0   0   0   0   0   3   0   0   0   0   0   0  0 |  0  3   0   0   0   0   0   3  3  0  0  0  0 | 1  0  0  1  3 0
.. ox .. .. ..&#x |   1   2 |   0  0   2    1   0   0 |   *  * 1920   *   *   *   *   *   *   *   * |   0  0   1   1   1   1   0   0   0   0   0   0   0   0  0 |  0  0   1   1   1   1   1   1  0  0  0  0  0 | 0  1  1  1  1 0
.. .. .. xx ..&#x |   2   2 |   1  0   2    0   1   0 |   *  *    * 960   *   *   *   *   *   *   * |   0  0   0   0   2   0   1   1   0   0   0   0   0   0  0 |  0  0   0   1   0   2   0   2  1  0  0  0  0 | 0  1  0  1  2 0
.. .. .. .. xx&#x |   2   2 |   0  1   2    0   0   1 |   *  *    *   * 480   *   *   *   *   *   * |   0  0   0   0   0   4   0   2   0   0   0   0   0   0  0 |  0  0   0   0   2   0   2   4  1  0  0  0  0 | 0  0  1  2  2 0
.o3.x .. .. ..    |   0   3 |   0  0   0    3   0   0 |   *  *    *   *   * 640   *   *   *   *   * |   0  0   1   0   0   0   0   0   1   1   1   0   0   0  0 |  0  0   1   1   1   0   0   0  0  1  1  1  0 | 0  1  1  1  0 1
.. .x3.o .. ..    |   0   3 |   0  0   0    3   0   0 |   *  *    *   *   *   * 640   *   *   *   * |   0  0   0   1   0   0   0   0   1   0   0   1   1   0  0 |  0  0   1   0   0   1   1   0  0  1  1  0  1 | 0  1  1  0  1 1
.. .x .. .x ..    |   0   4 |   0  0   0    2   2   0 |   *  *    *   *   *   *   * 960   *   *   * |   0  0   0   0   1   0   0   0   0   1   0   1   0   1  0 |  0  0   0   1   0   1   0   1  0  1  0  1  1 | 0  1  0  1  1 1
.. .x .. .. .x    |   0   4 |   0  0   0    2   0   2 |   *  *    *   *   *   *   *   * 960   *   * |   0  0   0   0   0   1   0   0   0   0   1   0   1   1  0 |  0  0   0   0   1   0   1   1  0  0  1  1  1 | 0  0  1  1  1 1
.. .. .o3.x ..    |   0   3 |   0  0   0    0   3   0 |   *  *    *   *   *   *   *   *   * 320   * |   0  0   0   0   0   0   1   0   0   0   0   2   0   0  1 |  0  0   0   0   0   2   0   0  1  1  0  0  2 | 0  1  0  0  2 1
.. .. .. .x4.x    |   0   8 |   0  0   0    0   4   4 |   *  *    *   *   *   *   *   *   *   * 240 |   0  0   0   0   0   0   0   1   0   0   0   0   0   2  1 |  0  0   0   0   0   0   0   2  1  0  0  1  2 | 0  0  0  1  2 1
------------------+---------+-------------------------+---------------------------------------------+-----------------------------------------------------------+----------------------------------------------+----------------
.. o.3o.3x. ..    ♦   4   0 |   6  0   0    0   0   0 |   4  0    0   0   0   0   0   0   0   0   0 | 160  *   *   *   *   *   *   *   *   *   *   *   *   *  * |  1  1   0   0   0   1   0   0  0  0  0  0  0 | 1  1  0  0  1 0
.. .. o.3x.4x.    ♦  24   0 |  24 12   0    0   0   0 |   8  6    0   0   0   0   0   0   0   0   0 |   * 40   *   *   *   *   *   *   *   *   *   *   *   *  * |  0  2   0   0   0   0   0   0  1  0  0  0  0 | 1  0  0  0  2 0
oo3ox .. .. ..&#x ♦   1   3 |   0  0   3    3   0   0 |   0  0    3   0   0   1   0   0   0   0   0 |   *  * 640   *   *   *   *   *   *   *   *   *   *   *  * |  0  0   1   1   1   0   0   0  0  0  0  0  0 | 0  1  1  1  0 0
.. ox3oo .. ..&#x ♦   1   3 |   0  0   3    3   0   0 |   0  0    3   0   0   0   1   0   0   0   0 |   *  *   * 640   *   *   *   *   *   *   *   *   *   *  * |  0  0   1   0   0   1   1   0  0  0  0  0  0 | 0  1  1  0  1 0
.. ox .. xx ..&#x ♦   2   4 |   1  0   4    2   2   0 |   0  0    2   2   0   0   0   1   0   0   0 |   *  *   *   * 960   *   *   *   *   *   *   *   *   *  * |  0  0   0   1   0   1   0   1  0  0  0  0  0 | 0  1  0  1  1 0
.. ox .. .. xx&#x ♦   2   4 |   0  1   4    2   0   2 |   0  0    2   0   2   0   0   0   1   0   0 |   *  *   *   *   * 960   *   *   *   *   *   *   *   *  * |  0  0   0   0   1   0   1   1  0  0  0  0  0 | 0  0  1  1  1 0
.. .. oo3xx ..&#x ♦   3   3 |   3  0   3    0   3   0 |   1  0    0   3   0   0   0   0   0   1   0 |   *  *   *   *   *   * 320   *   *   *   *   *   *   *  * |  0  0   0   0   0   2   0   0  1  0  0  0  0 | 0  1  0  0  2 0
.. .. .. xx4xx&#x ♦   8   8 |   4  4   8    0   4   4 |   0  1    0   4   4   0   0   0   0   0   1 |   *  *   *   *   *   *   * 240   *   *   *   *   *   *  * |  0  0   0   0   0   0   0   2  1  0  0  0  0 | 0  0  0  1  2 0
.o3.x3.o .. ..    ♦   0   6 |   0  0   0   12   0   0 |   0  0    0   0   0   4   4   0   0   0   0 |   *  *   *   *   *   *   *   * 160   *   *   *   *   *  * |  0  0   1   0   0   0   0   0  0  1  1  0  0 | 0  1  1  0  0 1
.o3.x .. .x ..    ♦   0   6 |   0  0   0    6   3   0 |   0  0    0   0   0   2   0   3   0   0   0 |   *  *   *   *   *   *   *   *   * 320   *   *   *   *  * |  0  0   0   1   0   0   0   0  0  1  0  1  0 | 0  1  0  1  0 1
.o3.x .. .. .x    ♦   0   6 |   0  0   0    6   0   3 |   0  0    0   0   0   2   0   0   3   0   0 |   *  *   *   *   *   *   *   *   *   * 320   *   *   *  * |  0  0   0   0   1   0   0   0  0  0  1  1  0 | 0  0  1  1  0 1
.. .x3.o3.x ..    ♦   0  12 |   0  0   0   12  12   0 |   0  0    0   0   0   0   4   6   0   4   0 |   *  *   *   *   *   *   *   *   *   *   * 160   *   *  * |  0  0   0   0   0   1   0   0  0  1  0  0  1 | 0  1  0  0  1 1
.. .x3.o .. .x    ♦   0   6 |   0  0   0    6   0   3 |   0  0    0   0   0   0   2   0   3   0   0 |   *  *   *   *   *   *   *   *   *   *   *   * 320   *  * |  0  0   0   0   0   0   1   0  0  0  1  0  1 | 0  0  1  0  1 1
.. .x .. .x4.x    ♦   0  16 |   0  0   0    8   8   8 |   0  0    0   0   0   0   0   4   4   0   2 |   *  *   *   *   *   *   *   *   *   *   *   *   * 240  * |  0  0   0   0   0   0   0   1  0  0  0  1  1 | 0  0  0  1  1 1
.. .. .o3.x4.x    ♦   0  24 |   0  0   0    0  24  12 |   0  0    0   0   0   0   0   0   0   8   6 |   *  *   *   *   *   *   *   *   *   *   *   *   *   * 40 |  0  0   0   0   0   0   0   0  1  0  0  0  2 | 0  0  0  0  2 1
------------------+---------+-------------------------+---------------------------------------------+-----------------------------------------------------------+----------------------------------------------+----------------
o.3o.3o.3x. ..    ♦   5   0 |  10  0   0    0   0   0 |  10  0    0   0   0   0   0   0   0   0   0 |   5  0   0   0   0   0   0   0   0   0   0   0   0   0  0 | 32  *   *   *   *   *   *   *  *  *  *  *  * | 1  1  0  0  0 0
.. o.3o.3x.4x.    ♦  64   0 |  96 32   0    0   0   0 |  64 24    0   0   0   0   0   0   0   0   0 |  16  8   0   0   0   0   0   0   0   0   0   0   0   0  0 |  * 10   *   *   *   *   *   *  *  *  *  *  * | 1  0  0  0  1 0
oo3ox3oo .. ..&#x ♦   1   6 |   0  0   6   12   0   0 |   0  0   12   0   0   4   4   0   0   0   0 |   0  0   4   4   0   0   0   0   1   0   0   0   0   0  0 |  *  * 160   *   *   *   *   *  *  *  *  *  * | 0  1  1  0  0 0
oo3ox .. xx ..&#x ♦   2   6 |   1  0   6    6   3   0 |   0  0    6   3   0   2   0   3   0   0   0 |   0  0   2   0   3   0   0   0   0   1   0   0   0   0  0 |  *  *   * 320   *   *   *   *  *  *  *  *  * | 0  1  0  1  0 0
oo3ox .. .. xx&#x ♦   2   6 |   0  1   6    6   0   3 |   0  0    6   0   3   2   0   0   3   0   0 |   0  0   2   0   0   3   0   0   0   0   1   0   0   0  0 |  *  *   *   * 320   *   *   *  *  *  *  *  * | 0  0  1  1  0 0
.. ox3oo3xx ..&#x ♦   4  12 |   6  0  12   12  12   0 |   4  0   12  12   0   0   4   6   0   4   0 |   1  0   0   4   6   0   4   0   0   0   0   1   0   0  0 |  *  *   *   *   * 160   *   *  *  *  *  *  * | 0  1  0  0  1 0
.. ox3oo .. xx&#x ♦   2   6 |   0  1   6    6   0   3 |   0  0    6   0   3   0   2   0   3   0   0 |   0  0   0   2   0   3   0   0   0   0   0   0   1   0  0 |  *  *   *   *   *   * 320   *  *  *  *  *  * | 0  0  1  0  1 0
.. ox .. xx4xx&#x ♦   8  16 |   4  4  16    8   8   8 |   0  1    8   8   8   0   0   4   4   0   2 |   0  0   0   0   4   4   0   2   0   0   0   0   0   1  0 |  *  *   *   *   *   *   * 240  *  *  *  *  * | 0  0  0  1  1 0
.. .. oo3xx4xx&#x ♦  24  24 |  24 12  24    0  24  12 |   8  6    0  24  12   0   0   0   0   8   6 |   0  1   0   0   0   0   8   6   0   0   0   0   0   0  1 |  *  *   *   *   *   *   *   * 40  *  *  *  * | 0  0  0  0  2 0
.o3.x3.o3.x ..    ♦   0  30 |   0  0   0   60  30   0 |   0  0    0   0   0  20  20  30   0  10   0 |   0  0   0   0   0   0   0   0   5  10   0   5   0   0  0 |  *  *   *   *   *   *   *   *  * 32  *  *  * | 0  1  0  0  0 1
.o3.x3.o .. .x    ♦   0  12 |   0  0   0   24   0   6 |   0  0    0   0   0   8   8   0  12   0   0 |   0  0   0   0   0   0   0   0   2   0   4   0   4   0  0 |  *  *   *   *   *   *   *   *  *  * 80  *  * | 0  0  1  0  0 1
.o3.x .. .x4.x    ♦   0  24 |   0  0   0   24  12  12 |   0  0    0   0   0   8   0  12  12   0   3 |   0  0   0   0   0   0   0   0   0   4   4   0   0   3  0 |  *  *   *   *   *   *   *   *  *  *  * 80  * | 0  0  0  1  0 1
.. .x3.o3.x4.x    ♦   0 192 |   0  0   0  192 192  96 |   0  0    0   0   0   0  64  96  96  64  48 |   0  0   0   0   0   0   0   0   0   0   0  16  32  24  8 |  *  *   *   *   *   *   *   *  *  *  *  * 10 | 0  0  0  0  1 1
------------------+---------+-------------------------+---------------------------------------------+-----------------------------------------------------------+----------------------------------------------+----------------
o.3o.3o.3x.4x.    ♦ 160   0 | 320 80   0    0   0   0 | 320 80    0   0   0   0   0   0   0   0   0 | 160 40   0   0   0   0   0   0   0   0   0   0   0   0  0 | 32 10   0   0   0   0   0   0  0  0  0  0  0 | 1  *  *  *  * *
oo3ox3oo3xx ..&#x ♦   5  30 |  10  0  30   60  30   0 |  10  0   60  30   0  20  20  30   0  10   0 |   5  0  20  20  30   0  10   0   5  10   0   5   0   0  0 |  1  0   5  10   0   5   0   0  0  1  0  0  0 | * 32  *  *  * *
oo3ox3oo .. xx&#x ♦   2  12 |   0  1  12   24   0   6 |   0  0   24   0   6   8   8   0  12   0   0 |   0  0   8   8   0  12   0   0   2   0   4   0   4   0  0 |  0  0   2   0   4   0   4   0  0  0  1  0  0 | *  * 80  *  * *
oo3ox .. xx4xx&#x ♦   8  24 |   4  4  24   24  12  12 |   0  1   24  12  12   8   0  12  12   0   3 |   0  0   8   0  12  12   0   3   0   4   4   0   0   3  0 |  0  0   0   4   4   0   0   3  0  0  0  1  0 | *  *  * 80  * *
.. ox3oo3xx4xx&#x ♦  64 192 |  96 32 192  192 192  96 |  64 24  192 192  96   0  64  96  96  64  48 |  16  8   0  64  96  96  64  48   0   0   0  16  32  24  8 |  0  1   0   0   0  16  32  24  8  0  0  0  1 | *  *  *  * 10 *
.o3.x3.o3.x4.x    ♦   0 960 |   0  0   0 1920 960 480 |   0  0    0   0   0 640 640 960 960 320 240 |   0  0   0   0   0   0   0   0 160 320 320 160 320 240 40 |  0  0   0   0   0   0   0   0  0 32 80 80 10 | *  *  *  *  * 1