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The template for the IH11 system is a regular hexagon as shown below. All six sides can be shaped but all in the same way, as indicated by the half-arrows. The template and any tile shape formed from it have a centre of six-fold rotation symmetry as indicated by the dog pattern.
A single tile forms the translation cluster.
A section of the tiling formed by the template is also shown below, with a single-tile translation cluster outlined. The two basic translations are indicated by the vectors drawn from the highlighted cluster. The tiling has three different centres of rotation symmetry, one two-fold, one three-fold and one six-fold. An example of each is indicated. The tiling symmetry group is p6.
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