Researchers 3D print robust and elastic structures with simulated lunar and martian soil - Researchers 3D print robust and elastic structures w... i1.wp.com/b3dgeable.staging.wpengine.com/wp-content/uploads/2017/04/researchers-3d-print-robust-and-elastic-structures-with-simulated-lunar-and-martian-soil-41.jpg?resize=600%2C353