The Nema 17 stepper motor is used in the CX-I Extruder and features a bipolar type configuration. It has a NEMA size of 17 and a step angle of 1.8°. The motor length is 28mm, with a working current of 0.6A. It operates with a phase resistance of 8Ω and a phase inductance of 10mH. The motor provides a holding torque of 12 N.cm and weighs 150 grams.