RepRap – The Replicating Rapid-Prototyper
3D printers are used to create 3-dimensional objects by depositing drops of plastic, or a similar material, layer by layer to build the object.
RepRap is a project to design and make a 3D printer that could copy itself. The project was started in February 2004 by Adrian Bowyer from Bath University and is made available under the open-source GNU General Public License. The core team consists of a number of volunteers from across the world in the UK, Canada, New Zealand and the USA.
Details of this project are available from
and a guide about how to build the RepRap 1.0 "Darwin" machine can be found at
http://reprap.org/bin/view/Main/RepRapOneDarwin
To date, here are the parts of RepRap that have been reproduced for itself (representing approximately 1/4 of the whole machine).

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