About this 3D model

Based on other dual blower mods, this is my version of the Hypercube E3D v6 mount that incorporates a BL Touch behind the nozzle, two blower fans for part cooling and a 40mm fan for cooling the hotend. In Marlin put Y_PROBE_OFFSET_FROM_EXTRUDER 21.2 Adding the fans to the side didn't clear my X motor so I had to make a little endstop flag to change where the printer homes in the x direction.