Charlotte Posenenske’s square corrugated cardboard objects are so relevant to contemporary concerns that it is with some surprise that one discovers they were created in 1968. Consisting of large individual elements stacked in rows, these pieces achieve spatial and architectural effects that are particularly evocative, their succinct materials and formal clarity striking a chord with current esthetic issues. Similar to air ducts and other building components, their forms appear familiar to our eyes and thereby change the everyday object into artifact. Each element is as ephemeral as the fragile