Tess (Mac) 

While you draw, Tess will maintain the symmetry group you have chosen- 24 rosette (circular), all 7 frieze (strip), and all 17 wallpaper groups are included. Illustrations may be printed from Tess or exported to GIF,JIF,PCX,DXF,SVG,and other formats.
symmetry drawing illustrating patterns

Tess 

While you draw, Tess will maintain the symmetry group you have chosen- 24 rosette (circular), all 7 frieze (strip), and all 17 wallpaper groups are included. Illustrations may be printed from Tess or exported to GIF,JIF,PCX,DXF,SVG,and other formats.
symmetry drawing illustrating patterns heesch tiling manifold

GEOM 

GEOM is in a league of its own, taking the classic style matching game to another dimension. Rotate the GEOMetric shapes to match colored connectors and complete the GEOMs. Discover 202 fascinating levels constructed from intricate tessellations.
pc game color matching brain teasing geom geometric shapes