Nice intro to CNC

Mostly the article covers woodworking CNC’s, but its still a good intro article for those not familiar with the basics.  I like the recommended bits, Freud 77-202 or 77-204, the author uses, if you have money for them.

http://makezine.com/magazine/cnc-routing-basics-toolpaths-and-feeds-n-speeds/?utm_source=feedburner&utm_medium=%24%7Bfeed%7D&utm_campaign=Feed%3A+%24%7Bmakezineonline%7D+%28%24%7BMAKE%7D%29&utm_content=%24%7BGoogleReader%7D