This is an older tutorial that gives one method of using Blender to model for CNC.
Originally published in BlenderArt magazine Issue 18.  (Published September 2008)

Document Version: 2.1
Original Publishing: September 2008

Download: CNC Machining with Blender (5835)

Trackbacks:

http://www.foro3d.com/f229/cnc-machining-with-blender-77271.html
http://blender3d.org.ua/forum/beginner/420.html
http://endless-sphere.com/forums/viewtopic.php?f=28&t=11154