Wallpaper groups. Portuguese pavements: p6mm

p6mm

Small circles mean rotations. Mirrors are represented by red lines. For the order of the rotations and for glide reflections, see Wallpaper groups: p6 and p6mm

Wallpaper groups. Portuguese pavements: Lisbon, Rua Cidade de Lobito - p6mm

Image from João Ferrand

p6mm

Wallpaper groups: p6 and p6mm

Small circles mean rotations and numbers their order. Mirrors are represented by thick lines and and glides by broken ones.

p6mm (2)

p6mm (1)