Flashforge Creator Pro / Dreamer Dual two nozzle blower for Raffle aluminium Y carriage

After upgrading my Flashforge Creator Pro with an aluminium carriage from Raffle (www.raffle.ch) I noticed that I could not fit the original dual nozzle fan mount from DrLex any more, as the aluminium Y carriage needed a clearing of approx. 18.5mm

V4 - The air flow seems to be okay now, i.e. when printing at 230° and switching the part cooling fan on the nozzle temperature does not change compared to printing with part cooling fan switched off. Also added 0.5mm for the aluminium carriage spac