Accurate model for calibration dual print (0.1 mm)

This model is for Sailfish firmware (7.6/7.7)

Upd Ver 2.0 - complex calibration for every directions

CalibrationCircles_Base.stl (Right extruder):
* has 9 circles

CalibrationCircles_Offset.stl (Left extruder)
* has number 7
* has 9 circles with offsets (+0.1mm per each circle)
* left circles: -x(0.1) / -y(0.1)
* right circles: +x(0.1) / +y(0.1)

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Ver 1.0 - simple calibration for one direction only
Calibration_Down.stl (Right extruder)
* has