Friday, June 19, 2026

Line Groups

The following pattern forms take a motif and translate, reflect, rotate and glide reflect the motif along a long line.  Think ducks in a row, then in a double row, or upside-down row.

Below are examples of the t2mg line group from Peter Steven's Handbook of Regular Patterns.  Examine the patterns.  What are the rules of the t2mg line group?

t2mg




There are 7 different formulas for the symmetry line groups.  Check out the letter b examples for each line group.







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