Blower kit for 12V DC fan, 60x60x25 mm
thingiverse
I updated my Kossel mini with a blower, using an air hose that was 590 mm long and had an inside diameter of 14 mm. It worked out but one issue arose - the noise it generated was quite big. Using this setup outdoors may be okay, but I'm not sure if it's suitable for cooling my Hotend. Running a 12V DC fan at 5V is a simple option I'll try next. I created a scaled-down version of an impeller from Thingiverse to use as a blower on the Bulbul Junior 3D Printer. It can be used to cool the hotend or blow air on melted filament at the nozzle.
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