CNC milling is done by computer. If you've seen any of the bike shows on TV, they do it all the time with the bike wheels. Stick in a chunk of something, computer cuts it out. Of course, they have ones specific to the type of material being used (wood, metal, type of metal, plastic, etc.).

KnifeLord wrote:
I am cutting it... router... bandsaw... and so on...
what is CNCing it?