Delamination (IMAGE) Purdue University Caption The diabolical ironclad beetle has puzzle piece-like blades in its abdomen that "delaminate" to prevent the beetle's exoskeleton from suddenly failing under immense force. Purdue researchers simulated this mechanism using 3D-printed versions of the blades. Credit Purdue University/Maryam Hosseini and Pablo Zavattieri 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.