For those of you not familiar with waterjet machining, this is an industrial tool that is capable of cutting a variety of materials using an extremely high-pressure jet of water. A mixture of water with an abrasive substance is sometimes used as well. This method is used primarily when the materials being cut are sensitive to the high temperatures generated by other methods. Waterjets have the widest range of application of any machine tool, while maintaining high precision. There are virtually no limits to what waterjets can cut. So how does 3D come into play for waterjets?