Bourgoin, Plate 82

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 15°.
• Contains two squares.
• Contains one regular 12-pointed star polygon with vertex angle of 60°.
• There are 6 non-regular reflective tiles (including one kite).
• 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 505 polygons.

1. Photo by David Wade: EGY 1620 (Aqsunqur, Cairo, Egypt) from [wadei] (1347AD, 747AH)
2. Photo by David Wade: EGY 1301 (al-Zahir Mausoleum, Cairo, Egypt) from [wadei] (1474AD, 878AH)
3. Page 188 from [abas]
4. Page 303 (Great Mosque, Damascus, Syria) from [castera]
5. Plate 82 from [bourgoin]
6. Thesaurus Islamicus (Aqsunqur, Cairo, Egypt. Southwest mausoleum, east wall, rectangular panel) from [pc]

• Wade photo EGY 1620
• Wade photo BOU 082
• Wade photo EGY 1301

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