Craftsman style hardware is characterized by its simple design with some decorative details. The simple design of the door hardware matched the typically simple geometric design of Craftsman doors. In this was the environment as a whole was designed to coordinate with every piece. Arts and Crafts era hardware, even if machine made, still included functional forms with simple and understated decoration. Hand-hammered copper or iron, and forged brass were typical materials. Dark colors and finishes, such as oiled bronze or antique brass can be seen as well. This period featured less innovation and more nostalgia than other eras, although there is a distinctive blending of craft and function.