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Alternative UM2 Olsson block fan duct
improving the cooling air flow ,more on the print part & less on the nozzle tip less X/Y axel noise resonance because of the high frequency vibrations of the fans when high speed.
improving the cooling air flow ,more on the print part & less on the nozzle tip less X/Y axel noise resonance because of the high frequency vibrations of the fans when high speed.