Video of the week: Dutch engineers unveil 3D printed ship propeller

Engineers at Europe’s largest port are exploring the use of additive manufacturing processes to carry out repairs to damaged ships.
A 3D printed propeller produced at Rotterdam’s RAMLABThe Netherlands’ Port of Rotterdam is one of the most important intersections for the flow of cargo in the world.
Currently, if a vessel comes in to port needing a replacement part—a propeller, for example— it can take weeks or months to order and deliver, costing companies millions o