Bistam, Sanctuary of Bayazid

• The symmetry group of the tiling is 442 (p4).
• All the internal angles of the constituent polygons are a multiple of 45°.
• There are no non-regular reflective pairs and three tiles with no mirror image.
• The tiling does not satisfy the two-colour condition.
• The tiling is not edge-to-edge.
• As drawn, contains about 209 polygons.

1. Plate 48 (Sanctuary of Bayazid, Bistam, Iran. Glazed tiles) of Sonia P, Seherr-Thoss. Design and color in Islamic architecture; Afghanistan, Iran, Turkey, Smithsonian Institution, 1968. [seherr] {312p}(1313AD, 712AH)

Photo?

v54