Artillery Sidewinder X1 3D PrinterArtillery Sidewinder X1 3D Printer Features Ultra quiet Stepper Driver The stepper motor drivers were developed to reduce the amount of Idle Current through the motor windings to reduce the artifact effects on the objects exterior surfaces. The stepper motor drivers also reduce the 'singing' noises within the stepper motor to reduce the noise produced by the stepper motors. Synchronized Dual Z System Dual Z Axis stepper motors remove one weakness of