This is a fan duct for an Ender5 using the MicroSwiss DirectDrive and AllMetalHotend to mount 40mm fa for part cooling and cooling the heat break parts. THIS VEION IS STILL IN ALPHA!! AS TESTING IS STILL IN PROGRESS PLEASE REPORT ANY ISSUES YOU'RE HAVING!! For the BLTouch, the XYZ-Offsets should be as follows: define NOZZLE_TO_PROBE_OFFSET {-37, -16, -2.62}