Summary: CNC machines are replacing traditional cutting methods due to their easy-to-use, automated systems. If you’re looking to replace that old, saggy cushion filling inside your sofa or couch, you’ll want to understand the basics of working with a Computer Numerical Control, or CNC for short. What is a CNC? Compared to its counterpart, the NC machine, which works with a specific set of instructions that are fed into the controller unit of the machine, the CNC machines the instructions that are fed into the computer via a small board that resembles a traditional keyboard. Now, with a CNC machine, the program is stored in the computer’s memory. The programmer…