RepRap is a free desktop 3D printer capable of printing plastic objects: http://reprap.org/wiki/Main_Page http://reprap.org/wiki/Main_Page The RepRap Project i

RepRap is a free desktop 3D printer capable of printing plastic objects: http://reprap.org/wiki/Main_Page http://reprap.org/wiki/Main_Page The RepRap Project is an initiative aimed at creating a largely self-replicating machine which can be used for rapid prototyping and manufacturing: http://www.reddit.com/r/reprap http://www.reddit.com/r/reprap Both are different projects, but relate to 3D printing.