Each of these patterns and canvases contain a unique QRcode, which you stitch into a finished piece.
Once the piece is finished, you can scan the code with a cameraphone, which will go directly to the encoded URL. Each pattern comes with a unique password that you can use to set that target URL. More info available at http://nerdlepoint.com!
My QRcode pillow, which links to the Semapedia entry for "pillow", was BoingBoinged: http://preview.tinyurl.com/2yldyn ...and mentioned briefly in this Sunday NY Times about QR codes and creativity: http://preview.tinyurl.com/3ytqem