Rubber Band-Powered Turbines, Color pencil, Caran d’arche by David Lovegrove, Size 15in x 22in (June 2016) Posted May 25, 2017 by fccagallery Rubber Band-Powered Turbines, Color pencil, Caran d’arche by David Lovegrove, Size 15in x 22in (June 2016)