Small piece of acrylic sofa David Lange

Small triangular sofa table in altuglas (plexiglass) attributed to David Lange, for Roche-Bobois, model Atlas, late 70s to early 80s. Signs of use on the two surfaces, more or less pronounced, some traces of oxidation inside the screw holes, but it remains in good condition, very stable, heavy and solid. See dimensions in photos. Height 39.5 cm. Width 31 cm.