Wallpaper is a kind of material used to cover anddecorate the interior walls of homes, offices, and otherbuildings; it is one aspect of interior decoration. It is usually sold in rolls and is put onto a wall usingwallpaper paste. Wallpapers can come plain (so that it can be painted), textured (such as Anaglypta), or with patterned graphics.
Wallpaper printing techniques include surface printing,gravure printing, silk screen-printing, rotary printing, and digital printing.[1] Mathematically speaking, there are seventeen basic patterns, described as wallpaper groups, that can be used to tile an infinite plane. All manufactured wallpaper patterns are based on these groups. A single pattern can be issued in several different colorways.
