Contrary to 3D printing, CNC is subtractive as opposed to additive. The CNC procedure starts with a bigger block of fabric because the workpiece, and removes areas, like chipping away at marble – to obtain to the ultimate model. Linear, rotary and angle encoders can be utilized with servo motors https://www.sedlacek-t.cz/obrabeci-centrum-haas-ec-400-spolehlivost-a-presnost-pro-vas-provoz/