Victoria and Albert
 
 
  data6/VA2
(Click on image for high-quality PDF version)
 
 
 
 data6/VA2
(Click on image for high-quality PDF version) 
 
Geometry
 
 
-  The symmetry group of the tiling is *442 (p4m).
-  All the internal angles of the constituent polygons are a multiple of 45°.
-  Contains three squares.
-  There is one non-regular reflective tile.
-  The tiling does not satisfy the two-colour condition.
-  The tiling is edge-to-edge.
-  As drawn, contains about 599 polygons.
 
References
 
 
Publications referenced: 
 
 
-  See Other Pre-Islamic Patterns (Enamelled terracottas of the Della Robbia workshop)  of B A Wichmann. The World of Patterns, World Scientific,	2001.	ISBN 981024619.  [wich2]  {Only new patterns ascribed to this.}(1441AD, 844AH)
  Photo?  
   v54