But what if you have one of these:
and you want custom patterns? Well, you can find here a good tutorial. You will learn how to make this kind of image
which will be translated by the machine into a nice piece of carved wood
But for CAD/CAM is not enough. Is very possible to make in python a translation script for a CNC Router but for this you need to have a measurement system (still you can use Blender units if you have a deadline). And things are changing. For 2.50 version are already planned some of these requirements.
Don't read below
Next, are various photo storage tests, without link to current article.
A fast flickr test.
And a MSLive test.