Bourgoin, Plate 72

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 3°.
• Contains one regular pentagon.
• Contains one regular 12-pointed star polygon with vertex angle of 72°.
• There are 9 non-regular reflective tiles (including 3 kites).
• The tiling satisfies the interlace condition and has three finite interlaces and no infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 449 polygons.

1. The Metropolitan Museum of Art, 33.103.2a,b (Egypt. Book binding) from [pc] (14th century AD)
2. Photo by David Wade: EGY 1208 (al-Mu'ayyad, Cairo, Egypt) from [wadei] (1420AD, 823AH)
3. Figure 119, Page 126 (Abu al-Bakr Muzhir, Cairo, Egypt. Doors of minbar) from [briggs] (1479-80AD, 884-5AH)
4. Thesaurus Islamicus M114P0185 (Amir Qijmas al-Ishaqi, Cairo, Egypt. Door at rear of minbar) from [pc] (1481AD, 886AH)
5. Fig 5.6 from [ww]
6. Figure 208 from [briggs]
7. Mihrab of the Prophet Mohammed (The Prophet's Mosque, Median, Saudi Arabia) from [pc]
8. Plate 72 from [bourgoin]
9. Plate 74 (al-Mu'ayyad, Cairo, Egypt. Balustrade of minbar) from [burckhardt]
10. Volume II, Figure 142, p.95 (al-Mu'ayyad, Cairo, Egypt. Door of the shrine (qubba)) from [wahhab]

• Wade photo BOU 072
• Wade photo EGY 1208

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