A Rostock Welding 3D Printer?

3dmetalprinter

Tired of printing in boring old plastic? Why not try metal? Researchers at Michigan Tech have come up with an open source reprap style design of a 3D printer that can print metal for only $1200.

The paper was published in IEEE Access a few weeks ago that it outlines the design and testing of this printer, which is basically an upside down Rostock with a MIG welder used as the extruder. As you can imagine, the quality and resolution of the parts isn’t that amazing (hang around after the break to see an example), but this is an exciting step forward for 3D printing. Equipped with this and a mill and the possibilities are quite endless!

Did we mention how cheap welding wire is? A cost that could add up is the shielding gas though, but as a user on Reddit points out, an upgrade for this machine could be an enclosed build chamber which could then just be flooded with the gas. Alternatively, would flux-core welding wire work?

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