sentences:  The large net sculpture was part of the museum's Wonder exhibition from November 13, 2015 until July 10, 2016, but was later acquired by the Renwick Gallery for their permanent collection and stayed on view in the Grand Salon until May 21, 2017.The piece was an extension of the 1.8 series by Echelman but custom designed to fit the space of the Grand Salon.In addition to the hundred-foot-long piece suspended above the Grand Salon, Echelman designed a 4,000 square foot textile flooring with a pattern which matched the topography of the sculpture above.