Topkapi scroll figure 42,

• No accurate graphic due to lack of mathematical structure.
• The symmetry group of the tiling is 2*22 (cmm).
• Contains one regular 9-pointed star polygon with vertex angle of (undefined).
• Contains one regular 11-pointed star polygon with vertex angle of (undefined).
• The tiling satisfies the interlace condition and has three finite interlaces and three infinite interlaces.
• The tiling is not edge-to-edge.
• As drawn, contains about 100 polygons.

• Page 309, left 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.}

• Large stars

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