#define INVERT_E0_DIR true   // for direct drive extruder v9 set to true, for geared extruder set to false
#define INVERT_E1_DIR true    // for direct drive extruder v9 set to true, for geared extruder set to false

//// MOVEMENT SETTINGS
#define NUM_AXIS 4 // The axis order in all axis related arrays is X, Y, Z, E
#define HOMING_FEEDRATE {2000, 2000, 150, 0}  // set the homing speeds (mm/min)

// default settings

#define DEFAULT_AXIS_STEPS_PER_UNIT   {100, 100, 4000, 100}  //550 default steps per unit for Ultimaker
#define DEFAULT_MAX_FEEDRATE          {500, 500, 3, 25}    //25 (mm/sec)
#define DEFAULT_MAX_ACCELERATION      {3000,3000,100,1000}    // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.

#define DEFAULT_ACCELERATION          2000    // X, Y, Z and E max acceleration in mm/s^2 for printing moves
#define DEFAULT_RETRACT_ACCELERATION  2000   // X, Y, Z and E max acceleration in mm/s^2 for retracts