Category:Images with dihedral symmetry
English: This category contains images with dihedral symmetry (D1 is excluded). Please, include each image (of this category or its subcategories) also in one of subcategories of Category:Rotational symmetry by order. Also, please keep this category and its subcategories sorted ([[Category:Images with dihedral symmetry|02]] for D2, [[Category:Images with dihedral symmetry|03]] for D3…) until subcategories by symmetry order was created.
group of symmetries of a regular polygon
|Subclass of|| Coxeter group,|