Repeating seamless patterns: definitions, free samples, links, and how-tos

Two-color (Counterchange) Symmetries

Symmetries that combine geometrical operations (translations, rotations, reflections, and glide reflections) with color reversals. There are exactly 46 types of two-color symmetries on the plane. See also counterchange pattern.
Example(s) of Two-color (Counterchange) Symmetries
  • Examples of two-color (counterchange) symmetries
Patterns with 46 counterchange symmetries from H.J. Woods re-created with Artlandia SymmetryWorks.
  • A counterchange pattern with the pgg' = pgg/pg symmetry
A pattern with the pgg' = pgg/pg symmetry from H.J. Woods re-created in SymmetryWorks using a custom color scheme.