Like personal artifacts, Cy Twombly's sculptures are developed from materials collected over many years from various locations where Twombly has lived. Before cast in bronze and coated with a soft, off-white patina, found objects such as wood or metal parts are combined with clay or plaster. The sculptures often take on the surface qualities of these materials; captured in the final metal alloy is the textured grain of a piece of weathered wood or of roughly smeared plaster. Like the artist's radiant and expansive paintings, Twombly's sculptures achieve a lightness that is at once airy and luminous, belying the solidity and weight of their materials.