One-Step 3-D-Printing of Catalysts (IMAGE) DOE/Ames National Laboratory Caption Catalysts can be built in one step by directly shining a laser through a bath of customized resins that polymerize and harden layer-by- layer. Credit Ames Laboratory, US Department of Energy Usage Restrictions None 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.