A spiral tiling - using two tiles together
 
 
 
 
 
 
 data129/F957
(Click on image for high-quality PDF version) 
 
Geometry
 
 
References
 
 
Publications referenced: 
 
 
-  Figure 9.5.7, page 516 of B Grünbaum and G C Shephard. Tilings and Patterns, W H Freeman,	1987.	ISBN 071671193.  [gands]  {Most important work in this area.}
 
 
   v54