Shape memory polymers (SMPs) are materials capable of changing their structural configuration from a fixed shape to a temporary shape. and vice versa when subjected to a thermal stimulus. The present work has investigated the 3D printing process of a shape memory polymer (SMP)-based polyurethane using a material extrusion technology. Here. https://www.roneverhart.com/Western-Digital-Ultrastar-DC-HC570-WUH722222ALE6L1-22TB-7-2K-RPM-SATA-6Gb-s-512e-SED-3-5in-Recertified-Hard-Drive/