Imamzadeh Yahya

• The symmetry group of the tiling is 632 (p6).
• All the internal angles of the constituent polygons are a multiple of 60°.
• Contains one regular two-pointed star polygon with vertex angle of 60°.
• There are no non-regular reflective pairs and one tile with no mirror image.
• The tiling does not satisfy the two-colour condition.
• The tiling is not edge-to-edge.
• As drawn, contains about 359 polygons.

1. Photo 182 (black and white), right arch (Imamzadeh Yahya, Varamin, Iran. Stucco decoration on wall) of Arthur Upham Pope. Persian Architecture, Thames and Hudson, 1965. [pope] {Good source book, but weak on geometric tiling patterns}(1307AD, 706AH)
2. Fig 14.4a of Brian Wichmann and David Wade. Islamic Design: a Mathematical Approach, Springer, 2017. ISBN 978-3-319-69. [ww] {}

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