Acronym ...
Name hyperbolic snub triheptagonal tiling
 
 ©
Vertex figure [34,7]
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Incidence matrix according to Dynkin symbol

s3s7s   (N → ∞)

demi( . . . ) | 42N |   1   2   2 |   1  1   3
--------------+-----+-------------+-----------
      s 2 s      2 | 21N   *   * |   0  0   2
sefa( s3s . ) |   2 |   * 42N   * |   1  0   1
sefa( . s7s ) |   2 |   *   * 42N |   0  1   1
--------------+-----+-------------+-----------
      s3s .      3 |   0   3   0 | 14N  *   *
      . s7s      7 |   0   0   7 |   * 6N   *
sefa( s3s7s ) |   3 |   1   1   1 |   *  * 42N

starting figure: x3x7x

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