Frieze Patterns

Symmetric patterns along a strip that have translational symmetries in one direction are called frieze patterns.

A labeling method to determine the symmetry group of a frieze pattern, called a frieze group is as follows:

Frieze 1

Frieze 2


Source: Doris Schattschneider, Short Crystallographic Notation for Frieze Patterns, Math for America, 1988.