Cross-section of 3D print using white PLA with a red TPU core. [Stefan]’s video covers a few different filament experiments, but if you’d like to see the TPU-PLA composite you can skip ahead ...

Of all FDM filament types, flexible ones such as TPU invite a whole new way of thinking, as well as applications. Case in point the TPU-based bellows that the [Functional Part Friday] channel on ...