This course introduces classifications of machining processes, non-traditional metallic operation, mechanical methods (abrasive jet machining, abrasive water jet machining, and ultrasonic machining). Chemical methods (chemical machining and electrochemical machining). Electrical methods (electrical discharge machining and electrical discharge grinding). Thermal methods (electron beam machining, plasma beam machining, and laser beam machining). Hybrid methods. Rapid Prototyping and 3D Printing current applications and future trends.