Summary

I have the original Wanhao Duplicator i3. This mounts the BLTouch on the front fan mount. You need one of the rear mounted part cooling fans.

The offsets I'm using are:

#define X_PROBE_OFFSET_FROM_EXTRUDER -30 // X offset: -left +right [of the nozzle]#define Y_PROBE_OFFSET_FROM_EXTRUDER -43 // Y offset: -front +behind [the nozzle]#define Z_PROBE_OFFSET_FROM_EXTRUDER -0.8 // Z offset: -below +above [the nozzle]