Ellsworth Kelly, one of the American pioneers of abstract art, is known for blown-up, simplified, geometric shapes that blur the line between painting and sculpture. Take the inverse of those solid shapes, turn it into negative space, and you'd get something resembling Chiaozzo's wall sculptures. (Box Frame, $150, and U-Frame, $225, at Chiaozzo.)  Photo 8 of 9 in Holiday Gift Guide: For the Art Lover by Kelsey Keith

Holiday Gift Guide: For the Art Lover

8 of 9

Ellsworth Kelly, one of the American pioneers of abstract art, is known for blown-up, simplified, geometric shapes that blur the line between painting and sculpture. Take the inverse of those solid shapes, turn it into negative space, and you'd get something resembling Chiaozzo's wall sculptures. (Box Frame, $150, and U-Frame, $225, at Chiaozzo.)