ve.velocity_extrusion(extruders=numExtruders, thread='servo-thread')
base.setup_stepper(section='EXTRUDER_0', stepgenIndex=3, velocitySignal='ve-extrude-vel-0', stepgenType='hm2_5i25.0.stepgen')
base.setup_stepper(section='EXTRUDER_0', stepgenIndex=3, velocitySignal=None, stepgenType='hm2_5i25.0.stepgen')