Monreale Cathedral
 
 
  data5/J30D
(Click on image for high-quality PDF version)
 
 
 
 data5/J30D
(Click on image for high-quality PDF version) 
 
Geometry
 
 
-  The symmetry group of the tiling is *632 (p6m).
-  All the internal angles of the constituent polygons are a multiple of 30°.
-  Contains three equilateral triangles.
-  Contains one regular 6-pointed star polygon with vertex angle of 60°.
-  There are two non-regular reflective tiles (including one kite).
-  The tiling satisfies the two-colour condition.
-  The tiling is not edge-to-edge.
-  As drawn, contains about 279 polygons.
 
References
 
 
Publications referenced: 
 
 
-  Page 73 (Basilica of St Francesco, Assisi, Italy)  of F M Hessemer. Historic Designs and Patterns in Color, Dover,	a1840.	ISBN 048626425.  [hessemer]  {This collection is unusual in giving the source for almost all the patterns.} Available on Internet.(13th century AD)
-  Plate XXX(35) (Byzantine ornament, Monreale Cathedral, Italy)  of Owen Jones. The Grammar of Ornament, Dover,	1856.	ISBN 048625463.  [jones]  {Excellent book with 100 colour plates, with many containing several tiling patterns.} Fuller version available on Internet.
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