Qur'an, Afghanistan, Herat

• The symmetry group of the tiling is *2222 (pmm).
• All the internal angles of the constituent polygons are a multiple of 18°.
• Contains four regular pentagons.
• Contains one regular 10-pointed star polygon with vertex angle of 72°.
• Contains one regular 10-pointed star polygon with vertex angle of 108°.
• There are four non-regular reflective tiles (including 2 kites).
• The tiling satisfies the interlace condition and has two finite interlaces and no infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 271 polygons.

1. Museum of Turkish and Islamic Arts, TIEM294 ( Herat, Afghanistan, Central Asia. Timurid period) of Not specific. Personal Communication, Information sent to the author, 21c. [pc] (1434AD, 837AH)

v54