No uniform realisation is possible.

Incidence matrix according to Dynkin symbol

β3o3o4β

both( . . . .    ) | 64 |   6  3   6 |  3  3   9   9  3 |  1  3  3  1  6
-------------------+----+------------+------------------+---------------
both( s . . s2*a ) |  2 | 192  *   * |  0  0   2   2  0 |  0  1  1  0  2
both( . . o4s    ) |  2 |   * 96   * |  0  0   0   2  2 |  0  0  1  1  2
sefa( β3o . .    ) |  2 |   *  * 192 |  1  1   1   0  0 |  1  1  0  0  1
-------------------+----+------------+------------------+---------------
      β3o . .      ♦  3 |   0  0   3 | 64  *   *   *  * |  1  1  0  0  0
sefa( β3o3o .    ) |  3 |   0  0   3 |  * 64   *   *  * |  1  0  0  0  1
sefa( β3o . β2*a ) |  3 |   2  0   1 |  *  * 192   *  * |  0  1  0  0  1
sefa( s . o4s2*a ) |  3 |   2  1   0 |  *  *   * 192  * |  0  0  1  0  1
sefa( . o3o4s    ) |  3 |   0  3   0 |  *  *   *   * 64 |  0  0  0  1  1
-------------------+----+------------+------------------+---------------
      β3o3o .      ♦  4 |   0  0  12 |  4  4   0   0  0 | 16  *  *  *  *
      β3o . β2*a   ♦  6 |   6  0   6 |  2  0   6   0  0 |  * 32  *  *  *
both( s . o4s2*a ) ♦  4 |   4  2   0 |  0  0   0   4  0 |  *  * 48  *  *
both( . o3o4s    ) ♦  4 |   0  6   0 |  0  0   0   0  4 |  *  *  * 16  *
sefa( β3o3o4β    ) ♦  6 |   6  3   3 |  0  1   3   3  1 |  *  *  *  * 64

starting figure: x3o3o4x