Wallpaper group 1 of 17, p1: an oblique lattice, point group 1, 1 operation per cell, orbifold ○. Egyptian painted ceilings; any straight-repeat fabric.
Molecular point groups with their operations and character tables, the 230 space groups with a cell builder, and the 17 wallpaper and 7 frieze groups drawn live. The tool needs JavaScript, and WebGL2 for the 3D views; these are the pages it offers: