Shrine of Zayn al-Din, Tayabad

• The symmetry group of the tiling is *2222 (pmm).
• All the internal angles of the constituent polygons are a multiple of 36°.
• Contains two regular two-pointed star polygons with vertex angle of 72°.
• Contains two regular pentagons.
• Contains one regular 10-pointed star polygon with vertex angle of 108°.
• There are four non-regular reflective tiles (including one kite).
• The tiling satisfies the interlace condition and has one finite interlace and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 352 polygons.

1. Photo from Archnet (Shrine of Zayn al-Din, Tayabad, Iran. Interior walls) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

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