We all like to think of artmaking as involving some kind of transformation. Lucia Nogueira is an expert at making something seem like everything and nothing. She put seven separate works in the small upstairs gallery here, and three more downstairs, but the space felt anything but cluttered. Hers is an art of prestidigitation—of the myriad tricks of the conjurer or juggler.

Diabolo, 1995, a narrow wooden shelf, painted pale blue, ran into an angle in the wall. It was supported by, but not screwed onto, one small bracket, a set-up that seemed rather precarious given that, apparently, there were