Sol Lewitt, Four-sided pyramid, 1997. Sol Lewitt, Four-sided pyramid, 1997. Sol Lewitt, Four-sided pyramid, 1997. Roy Lichtenstein, House I, modeled 1996, fabricated 1998. Roy Lichtenstein, House I, modeled 1996, fabricated 1998. Roxy Paine, Graft. 2008-2009. East wing Labels