20190511

Calibration of Atom 3D printer 1.0

1.
M503 get current step per mm
current data is X80 Y80 Z80

2. print 2.0 mm cube
3. real dimension is 1.98 1.98 2.03 cm
4. 2/1.98*80 = 80.81 2/2.03*80=78.82
5. M92 X80.81 Y80.81 Z78.82