https://www.geeky-gadgets.com/massive-open-source-cnc-machine-26-10-2016/
If you are looking for a large format CNC machine you might be interested in a new open source system which has been created by Bar Smith in the form of
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https://blog.arduino.cc/2016/06/07/farmbot-is-an-open-source-cnc-farming-machine/
Aug 19, 2016 - With hopes of reinventing the way food is grown, Rory Aronson has developed humanity’s first open-source CNC farming machine. The FarmBot...
open source cncfarmbotfarmingmachinearduino