Doodles In Space!

No, it's not a new science fiction cartoon for the kids, instead its a sort of 3D-printer-but-it's-also-a-pen. The devices effectively allows you to "draw" things in 3D space by extruding a quickly cooling plastic "thread" or "string" which hardens in place. A bit like a more precise version of a hot glue gun. Probably easier just to watch the video below...

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