A Printed-out Wall (IMAGE) University of Southern California Caption This concrete wall was created by the Contour Crafting process. The equipment is on the left. Credit USC Viterbi School of Engineering Usage Restrictions Credit USC Viterbi School of Engineering License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.