Such a style of carving tools is the first-choice for small-scale refined relief and full relief and especially useful for the refined relief-carving of such materials as acrylic, hardwood, MDF, aluminum and brass. The products, far better than those processed by common ball-end mills and plat-bottom engraving bits, boast of high precision and good smooth finish. It is a machine for refined carving, and the best companion for engraving machine.