This video explores dynamic impact applications using 3D printed materials, particularly PLA, which is typically brittle but can be improved to absorb more energy through structural design. It demonstrates how combining PLA with flexible TPU in an origami-inspired structure enhances impact resistance by optimizing geometry rather than relying solely on material properties. The process includes preparing and merging models in slicing software, adjusting key parameters such as infill pattern, direction, and print speed, and previewing the layered structure before printing. The video highlights that selecting the right structural design—such as origami patterns like Miura or waterbomb—is crucial for maximizing energy absorption. Overall, it shows how 3D printing enables innovative design solutions for improving mechanical performance in applications requiring impact resistance.