It seems backwards, but engineers from Northwestern University have made 3D printing metal easier (and eventually cheaper) by adding extra production steps to the procedure. (Paper available in PDF).
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Thingiverse used to be the gold standard for 3D printing models, but these 3 sites beat it now
Thingiverse is dead: Here's where 3D printers actually find models now ...
A machine-learning strategy has generated a new class of ultra-high strength and ductility steel for 3D printing that costs ...
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