The material rotates with a spindle. A grinding or carving tool would make the shape since it turns. CNC Lathes are used for making symmetrical objects like spheres, cones, or cylinders. Quite a few CNC machines are multi-purpose and Blend all kinds of cutting. Sometimes, there might be technical confusion https://affordablecncmachines46677.post-blogs.com/59592285/an-unbiased-view-of-cad-modeling