Mashhad - the new courtyard
data180/F103
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Geometry
- The symmetry group of the tiling is 2*22 (cmm).
- All the internal angles of the constituent polygons are a multiple of 36°.
- Contains 36 regular two-pointed star polygons with vertex angle of 72°.
- There are four non-regular reflective tiles.
- The tiling satisfies the interlace condition and has five finite interlaces and two infinite interlaces with straight cross-overs.
- The tiling is edge-to-edge.
- As drawn, contains about 555 polygons.
References
Publications referenced:
- Fig 12.12a of Brian Wichmann and David Wade. Islamic Design: a Mathematical Approach, Springer, 2017. ISBN 978-3-319-69. [ww] {}
- Vol 3, Figure 103, page 118 (The new courtyard, Mashhad, Iran) of Mahmood Maher al-Naqsh. Design and execution of drawing in Iranian tilework, Islamic period, Reza Abbasi Museum, 1983. [iran] {Good collection of Iranian patterns, text in Persian} Available on Internet.
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