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Elastollan^®, BASF's thermoplastic polyurethane (TPU), is used as a filament by the duro3D paver in the production of individual shoe insoles using 3D printing processes. In sole applications, the material is characterized above all by its excellent vibration damping and resilience. Under heavy use, e.g. when used in sports shoes, it is also the abrasion resistance that makes the sole durable and comfortable to wear. Even with fluctuating temperatures, the insert retains its desired properties.