Aqbughawiyya Madrasah

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 15°.
• Contains one square.
• Contains one regular two-pointed star polygon with vertex angle of 60°.
• Contains one regular four-pointed star polygon with vertex angle of 60°.
• Contains one regular 6-pointed star polygon with vertex angle of 60°.
• Contains one regular 8-pointed star polygon with vertex angle of 90°.
• There are four non-regular reflective tiles and one reflective pair.
• 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 265 polygons.

1. Thesaurus Islamicus (Aqbughawiyya madrasah, al-Azhar mosque, Cairo, Egypt) of Not specific. Personal Communication, Information sent to the author, 21c. [pc] (1340AD, 740AH)
2. Fig 11.1b of Brian Wichmann and David Wade. Islamic Design: a Mathematical Approach, Springer, 2017. ISBN 978-3-319-69. [ww] {}

• Tiling with three or more proper stars
• Tiling with chelates

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