4096 / the 217 possibilities of incomplete open cubes by Maël Veisse and Sébastien Renauld (France), an art project created from two young French architects from Nancy, which meets the research of Sol LeWitt, the great conceptual artist who lived more than 30 years to Spoleto.This tribute stands in continuity with the exhibition ARTIST'S BOOKS by SOL LEWITT held from April 7 to May 13, 2009 at the Civic Gallery of Modern Art to Spoleto on the occasion of the two-year anniversary of his death and which will be staged again to Bologna in September at the Museo Internazionale della Musica on the occasion of ArteLibro and then replicated to Paris, New York and Istanbul.