XYZ 20mm Calibration Sphere

today i learned the hard way, printing a sphere-like object is very difficult!
mine looks more like an egg :-/
so not only the general calibration must be fine, but also the supports must be set right!!

with this sphere you can experiment with...
* more/less perimeters
* with/without automated supports
* manually generate few/lot supports only on one side of one axis. example: you only add support to the left side of the x- and y-axis, but none to the right side. that way you will encoun