120 mm Air Flow Restrictor
thingiverse
I designed this for an enclosure I'm making for my ABS Printer. I want to extract fumes but I don't want to create too much of a draft. Can be used for anything i guess, make it work for you. Instructions Print all of the pieces, the shutter just snaps on. There shouldn't be much need to fix or file anything, but you might have to. The backing plate keeps the the shutter snug but is not necessary. Flow adjuster V2 helps seal it up. I realized that the leaver has a gap on either side, pointless if your extracting fumes.
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