Robert Mangold is a tease. His one-man shows and occasional pieces in group exhibitions all hermetically confront the viewer, wait for the viewer to “give up,” which usually happens quickly, and then they don’t give the secret away. In short, Mangold is a professional magician. The current act runs as follows: seven pieces are exhibited in a large cement gallery. The pieces are composed of arc sections, circle fragments (like pie wedges) and other Mangoldiana such as chasuble shapes. The works are cut out of masonite and sprayed in matte colors of a neutral run—oysters, off-whites, greys, beiges