It may look like some kind of ancient urn, but you're looking at something rather more advanced. In fact this is the first full-scale copper rocket engine part made by NASA using 3D printing techniques.
The component is a combustion chamber liner-a part that operates at extreme temperatures and pressures. In fact, its function means that creating it was far from straightforwards.
The part was made using a laser sintering technique, which scans a laser beam over copper powder, selectively melting it-after which it cools to form solid copper. Over the course of 10 days and 18 hours, 8,255 layers of copper powder were fused to form the final result.
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