6 天
Trains.com on MSN3-D printed GLa hopper carI model the Western Maryland Ry. (WM) from the 1920s to before the start of World War II. Appropriate commercial models of ...
Local Motors printed the car's chassis and body all in one piece, and also printed the fenders separately. The first phase of the process took just 44 hours. Then the non-printed components ...
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