* [http://www.bitsfrombytes.com/ Bits from Bytes]
* [https://shop.grrf.de/ Shop der German RepRap Foundation]
* Design Tools
** [http://tinkercad.com/ Tinkercad - Online CAD Tool, Dateiformat: STL]
** [http://www.artofillusion.org Art of Illusion]
== Projektplanung ==