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user: zimmen created: 2010-11-27 karma: 66 [ my public key: https://keybase.io/zimmen; my proof: https://keybase.io/zimmen/sigs/-eWqODXDILGXHmNWIDVM2BrW2GdXwFaj0bVcJ22cD5Y ] submissions: 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments Positron v3: an upside-down portable 3D printer 5 points | 1 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments