In the early 1960s, LeWitt first began to create his "structures," a term he used to describe his three-dimensional work.[6] His frequent use of open, modular structures originates from the cube, a form that influenced the artist’s thinking from the time that he first became an artist. After creating an early body of work made up of closed form wooden objects, heavily-lacquered by hand, in the mid-1960s he “decided to remove the skin altogether and reveal the structure.