4-inch duct vent cover

4-inch duct vent cover

thingiverse

This covers the end of a 4-inch duct in order to keep critters from crawling into it. It fits *inside* the *crimped* end (the "male" end of a connector or elbow). You could size it up a tiny bit to fit in the larger "female" end of the duct. You can edit your own copy of this item really easily, for free, on the Tinkercad website: https://www.tinkercad.com/things/56ifQAq6FP2 Update: I'm reprinting this is PETG, my original in PLA started to warp :/

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