Anycubic Kossel Calibration Coaxial Sensor Holder

if you need permament sensor holder, check this thing:
http://www.thingiverse.com/thing:2203930

This is M12 inductive sensor holder which is designed to be mounted in place of blower nozzle with original M2 screws. The sensor position is perfectly under the nozzle so the measurement is not affected by non-linear delta kinematics. Use it to calibrate your DELTA printer with help of escher calculator (http://www.escher3d.com/pages/wizards/wizarddelta.php).
With repetier firmware you can set y