Deriving the symmetry patterns in figurative tunic panels from vertical and horizontal repetitions. (a, b) Vertical columns: translation (T) and glide (G); (c, d) horizontal rows: translation (T) and mirror (M); (e-h) possible field patterns in tunic panels (vertical repetition is noted first): translation/translation (T/T), translation/mirror (T/M), glide/translation (G/T), and glide/mirror (G/M).
Isbell, William H.; Uribe, Mauricio I.; Tiballi, Anne; Edward P. Zegarra, 2018, "Visual database", https://doi.org/10.25346/S6/1B33FN.