Take looks further and discover what you will design with this Lillypilly 3x3-inch circuit board design turquoise anodized aluminum sheet, 24 gauge. The surface of this thin, square sheet is made from anodized aluminum, presenting a rich blue color that is decorated with various square and rectangle shapes on one side. The anodizing process increases the natural layer of oxide on the material by soaking it in a solvent bath to manipulate the electrodes and give it a special color. Play with mixed media elements to turn this sheet into something that reflects your personal style. For 24 gauge sheets it is best to use a heavy-duty hole punch.