illustrating (2 products)

Tess 1.63 (Shareware, $36)

While you draw, Tess will maintain the symmetry group you have chosen; 11 rosette (circular), all 7 frieze (strip), and all 17 wallpaper groups are included. Tess also supports all 28 / 29 types of Heesch tilings. Illustrations may be printed from Tess or exported to JIF, PCX, DXF, SVG, and other formats.

Tess (Mac) 1.61 (Shareware, $36)

While you draw, Tess will maintain the symmetry group you have chosen; 11 rosette (circular), all 7 frieze (strip), and all 17 wallpaper groups are included. Illustrations may be printed from Tess or exported to JIF, PCX, DXF, SVG, and other formats.