"Sky Swirl" is a lithograph by Alexander Calder that exemplifies the artist's signature abstract vocabulary of organic, biomorphic forms. The work demonstrates Calder's characteristic use of flowing lines and dynamic compositions that suggest movement and weightlessness, reflecting his broader artistic philosophy of kinetic sculpture translated into the print medium. As a lithograph, the piece showcases Calder's ability to translate the spontaneity and gestural quality of his drawn designs into a reproducible format while maintaining the work's visual energy.