Africa - Alhambra -Escher.

 
L'ALGEBRE DES
MOTIFS DECORATIFS AFRICAINS

The "science" of design is, in fact, only a simplified and specialized part of the branch of Physics devoted to the study of crystalline form, "crystallography", just as the latter, tothe mathematician, is nothing but an application of the great branch ofmathematics, the "Theory of Groups".

H.J. Woods - quoted in "Symmetry of Culture" .

Groupe Escher     Alhambra Afrique
p1
p2
p3
p4  
pm    
pg
cm  
cmm
pmm
pmg
pgg  
p3m1      
p31m    
p4m    
p6m
gauche:
reptiles
droite:
balcon

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