Marine Corps 3D print 500-square-foot concrete barrack
The Marine Corps, Army and Navy Seabees teamed up to 3D print a concrete barrack in just 40 hours.
via FOX NEWS https://ift.tt/2oiGqSf The Marine Corps, Army and Navy Seabees teamed up to 3D print a concrete barrack in just 40 hours.
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