Images, top row, from left: Big Slinky, 1994, plywood gaskets, 26 x 60 x 60 inches; Cone, 1997, poured concrete, 16 x 36 x 36 inches; Shingle Ring, 1996, cedar shingles, 45 x 45 x 16 inches; Images, bottom row, from left: Cartouche, 1994, wood, 90 x 11 x 20 3/4 inches; Echo, 1995, wood, plaster, 72 x 12 x 12 inches; Gift, 2000, cast white concrete (left); cast concrete (right), 11 x 8 1/2 x 2 inches (left); 11 x 8 1/2 x 2 inches (right)