Miller Metal Imaging is a specialist interpretive sign and label manufacturers. Whether your signs are to be installed indoors or outdoors our signage will create a lasting impact. Photo Anodised Aluminium. Our unique printing process enables us to produce true photographic quality prints that can carry the detail required by interpretive signs. And because of the quality of our materials, our photo anodised aluminium signs will outlast any other product available. High quality signs can be printed to virtually any size. Take advantage of our 10 year guarantee by finishing your signs with our UV resistant coating.