This would be a way to cut some parts cheaply with CNC capabilities. It is limited and not as accurate as most CNC machines but it can be made for $500 or less!
https://www.kickstarter.com/project...open-source-4-by-8-foot-cnc-machi/description
https://www.kickstarter.com/project...open-source-4-by-8-foot-cnc-machi/description