4 in coupler to joint flexible aluminum ventilation ducts
Coupler to join two 4 in aluminum ducts used for ventilation, with border lips to use clamps and prevent slippage.
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updated October 31, 2024
Description
PDFCoupler to join two 4 in aluminum ducts used for ventilation, with border lips to use clamps and prevent slippage. I recommend printing with 4 walls for strength, I used PLA but for higher temp applications you may want to use ABS or PETG.
No supports needed.
You can use duct tape to seal the joint.
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Model origin
The author marked this model as their own original creation.
