Cranfield University Produces Biggest 3D Printed Metal Ever

According to researchers at Cranfield University, they've just produced the biggest 3D printed metal ever. The double-sided spar, which was 3D printed from aerospace-grade aluminum on the UK university's new 3D printer, is six meters long and weighs 300 kg - that's nearly 20 feet and over 660 pounds. The spar was printed using wire and arc additive manufacturing (WAAM) technology, a lesser-known metal 3D printing method that involves the use of an electric arc to melt metal wire, setting it apart from the more typical metal powder additive manufacturing techniques. Read more at 3DPrint.com: https://3dprint.com/152111/cranfield...metal-3d-part/
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