Chinese artist Li Hongbo’s current exhibition, Tools of Study—which will be on display through March 22 at the Klein Sun Gallery in Chelsea, New York—pays homage to numerous classical sculptures. At first glance, the 20 pieces in the collection, which Li refers to as his “faithful friends,” appear to be porcelain replicas of renowned classics, including the bust of Michelangelo’s David. But the sculptures are made entirely out of paper—thousands of layers of paper, in fact, which can be pulled apart and stretc…