Truncated tetraheptagonal tiling

In geometry, the truncated tetraheptagonal tiling is a uniform tiling of the hyperbolic plane.

Poincaré disk projection, centered on 14-gon: The dual to this tiling represents the fundamental domains of [7,4] (*742) symmetry.

There are three small index subgroups constructed from [7,4] by mirror removal and alternation.

In these images fundamental domains are alternately colored black and white, and mirrors exist on the boundaries between colors.

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