Klipper
Personal collected notes using klipper with the Ender 3 printer.
Calibrating the probe
TL:DR:
Heat the bed to 50C. Place a piece of paper on the toolhead.
// Start probe calibration process
PROBE_CALIBRATE
// move toolhead by this amount. Repeat till paper is 'stuck'
TESTZ z=-5
// This form of the command moves distance by half of the previous value.
TESTZ z=-
TESTZ z=+
// Once position is set properly, send ACCEPT command:
ACCEPT