Topkapi Scroll, page 317, Figure 56

• The symmetry group of the tiling is 2*22 (cmm).
• All the internal angles of the constituent polygons are a multiple of 9°.
• Contains four regular two-pointed star polygons with vertex angle of 72°.
• Contains 6 regular pentagons.
• Contains one regular 10-pointed star polygon with vertex angle of 90°.
• There are 9 non-regular reflective tiles (including one kite).
• The tiling satisfies the interlace condition and has one finite interlace and two infinite interlaces with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 628 polygons.

1. Page 317, Figure 56 (Topkapi scroll, Istanbul, Turkey) of Gülru Necipoğlu. The Topkapı scroll : geometry and ornament in Islamic architecture, The Getty Center for the History of Art and the Humanities, 1995. ISBN 089236335. [necipoglu] {Beautiful publication.}

• Wade photo TS 030

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