The leaf of a fern-tree evokes the sensation of symmetry: every leaf is obtained from the ...
All the possible types of symmetry for an hexagon: from the top to the bottom, from left t...
There are no reflections that fix this word, but a 180° rotation maps it onto itself. Exh...
The seven types of symmetry for a frieze: the colours on the right side shows which trasfo...
The seven types of symmetry for a frieze; you can see also a colour version in which the ...
An example of frieze of type ∞∞, with the indication of the vector corresponding to th...
Two examples of friezes of type ∞∞ with the vector that represents the translation tha...
A module that can be used to generate patterns (by translation of reflection in the sides ...
A figure with dihedral symmetry of type D4, obtained from a triangle by taking the eight t...
A hint of frieze with glide reflection symmetry in the structure of the inflorescence of t...
