Alex/3D-tmp

#define DEFAULT_AXIS_STEPS_PER_UNIT   {78.7402,78.7402,200*16/1.25,760*1.1*.84}  // default steps per unit

M92 X78.7402 Y78.7402  Z2560 E702.24

    G__ X Y Z E

 M92 X79.804 Y79.697