Ali design M

• The symmetry group of the tiling is 6.5• (c6.5).
• All the internal angles of the constituent polygons are a multiple of 60°.
• There are no non-regular reflective pairs and two tiles with no mirror image.
• The tiling is edge-to-edge.
• As drawn, contains about 6 polygons.

1. Design collected by Mamoun Sakkal (Topkapi scroll, Istanbul, Turkey. ca. 1500. (Not completely symmetrical the tail of the black Ali-s is longer than the white. Cat No 71)) of Mamoun Sakkal. Square Kufic Calligraphy..., University of Washington, 2010. [sakkal] {Thesis}
2. Fig A.21 of Brian Wichmann and David Wade. Islamic Design: a Mathematical Approach, Springer, 2017. ISBN 978-3-319-69. [ww] {}
3. Page 325 (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 038

• Six-Ali (Shish Ali) Square Kufic tessellations

v54