CD cases, or other small holders. When scrap artists started moving away from the "page" and onto alternative surfaces and objectives, they termed these creations "altered items" or now simply called "off-the-page". This movement circles back to the history of art from the 1960s when Louise Nevelson was doing "Assemblages" with found objects and recycled parts. Modern scrapbooking is done largely on 12 inch (30 cm) square or letter-size (US Letter (8.5 by 11 inch) or A4 (210 by 297 mm)) pages. More recently, smaller albums have become popular. The most common new formats are 6, 7, or 8-inch (15, 17.5, or 20 cm) square. It is important to many scrappers to protect their pages with clear page protectors. Basic materials include background papers (including printed and cardstock paper), photo corner mounts (or other means of mounting photos such as adhesive dots, photo mounting tape, or acid-free glue), scissors, a paper trimmer or cutting tool, art pens, archival pens for journaling, and mounting glues (like thermo-tac). More elaborate designs require more specialized tools such as die cut templates, rubber stamps, craft punches, stencils, inking tools, eyelet setters, heat embossing tools and personal die cut machines. A lot of time people who enjoy scrapbooking will create their own background papers by using the tools mentioned along with "fancy" textured scissors. Various accessories, referred to as "embellishments", are used to decorate scrapbook pages. Embellishments include stickers, rub-ons, stamps, eyelets, brads, chipboard elements in various shapes, alphabet letters, lace, wire, fabric, beads, sequins, and ribbon. The use of die cut machines is also increasingly popular; in recent years a number of electronic die-cutting machines resembling a plotter with a drag knife have hit the market (e.g. The Cricut), enabling scrappers to use their computer to create die cuts out of any shape or font with the use of free or third party software. Scrapbook makers will also use magazine clippings to "decorate" a scrapbook. One of the key components of modern scrapbooking is the archival quality of the supplies. Designed to preserve photographs and journaling in their original state, materials encouraged by most serious scrapbookers are of a higher quality than those of many typical photo albums commercially available. Scrappers insist on acid-free, lignin-free papers, stamp ink, and embossing powder. They also use pigment-based inks, which are fade resistant, colorfast, and often waterproof. Many scrappers use buffered paper, which will protect photos from