WHAT THE DIFFERENCE BETWEEN 3 AXIS AND 5 CNC?

3 axis machines cannot create undercuts in the part. These videos show the capabilities of 3 and 5 axis machining: 3-axis CNC: http://www.youtube.com/watch?v=zYpkpGfmPgE&feature=fvwrel 5-axis CNC: http://www.youtube.com/watch?v=knuz38oT2kc&feature=related Additional Information: Additional Information: Additional Information: Additional Information: Additional Information: Additional Information: Additional Information:

A crystal is a mineral, meaning it has an exact chemical composition and an orderly arrangement of it's atoms. A rock on the other hand, does not have an exact composition and can be made of many different kinds of minerals.