al-Rifa'i mosque, Carved panel

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 10°.
• Contains two squares.
• Contains one regular 6-pointed star polygon with vertex angle of 60°.
• Contains one regular 12-pointed star polygon with vertex angle of 80°.
• There are 6 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 453 polygons.

1. Thesaurus Islamicus (al-Rifa'i mosque, Cairo, Egypt) of Not specific. Personal Communication, Information sent to the author, 21c. [pc] (1869-1910AD, 1286-1328AH)
2. Fig 11.3b photo of Brian Wichmann and David Wade. Islamic Design: a Mathematical Approach, Springer, 2017. ISBN 978-3-319-69. [ww] {}

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