Different shapes of aluminum parts (IMAGE) DOE/Pacific Northwest National Laboratory Caption Extrusions made from AA6063 industrial scrap by ShAPE producing (a) circular, (b) square, (c) trapezoidal, and (d) two-cell trapezoidal profiles. Credit (Image courtesy Scott Whalen | Pacific Northwest National Laboratory) Usage Restrictions No restrictions. License Public Domain 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.