sTiling Pattern Generation Software allows you to create large or small patterns of tiles of varying rectangular dimensions and unlimited numbers of colors. The software is perfect for hobbyists, professionals, and artisans alike. Create patterns for beading, mosaics, needlework, quilting, and numerous other crafts which utilize charted designs. Save, edit, and print patterns at your convenience. The operating system it runs on is Windows XP, Vista, or Windows 7. It is a download.