Duplicator 4 Active Cooling (40mm x 20mm Blower)

This Active Cooling System is made for the Wanhao Duplicator 4 series and Flashforge. This variation is made to fit blower type fans that is 40mm big (24V), 20mm thick, although 10mm thickness would probably work too.

### UPDATE! (V2)
Hey guys, if you have downloaded the previous duct, please redownload V2. I noticed there's some problems with the fan position being too high that it hits the casing when the extruder is being homed. This has been corrected in V2, it now sits below the case w