Prusa I3 Dual Extruder with BLTOUCH, and Fang fan duct.

Remixed the hotend clamp for the dual extruder version of the unified direct drive extruder from jdogg12477 (based on inornate's remix of ciricoco's original work) for use with BLTOUCH using inornate's clamp mixed with jdogg12477's clamp, and altered to work with the Radial Fan Fang duct from Lion4H

BLTOUCH:
'#define X_PROBE_OFFSET_FROM_EXTRUDER 63'
'#define Z_PROBE_OFFSET_FROM_EXTRUDER -1.0 //yours will be slightly different and you should find this yourself'

Extruder offset:
'#define