Yup (http://images.google.com/images?q=sol+lewitt+sculpture&oe=utf-8&rls=org.mozilla:en-US:official&client=firefox-a&um=1&ie=UTF-8&ei=sc-ISqfzIMmwtgeBg9jnDA&sa=X&oi=image_result_group&ct=title&resnum=4). It's pretty much an exploration of the same concepts as the wall drawings, but in three dimensions. Needless to say, I love the sculptures, too.