3-D Photo of the Scale-Like Structure (IMAGE) Karlsruher Institut für Technologie (KIT) Caption Inspired by nature and milled into a steel bolt by a laser: this is a 3-D photo of the scale-like structure. Credit (Photo: Christian Greiner, KIT) 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.