.....if you want to make things out of plastic. Unfortunately, the price
of commercial metal 3D printers means the ability to print metal objects
has remained out of reach of most people. That could be set to change
with a team from Michigan Technical University building a 3D metal
printer for under $1,500.
The 3D printer was created by Joshua Pearce, an Associate Professor
of Materials Science and Engineering, and his team from parts including a
small commercial MIG welder and an open-source microcontroller. It
forms complex geometric shapes by laying down thin layers of steel, but
Pearce admits the printer is still a work in progress, with a sprocket
the most intricate piece the printer has produced so far. That's where
the open-source nature of the device comes in.
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