Vacuum Hose Parametric Shutter / Blast Gate
thingiverse
Blast gate or shutter to connect to two vacuum sized hoses (but can be parametrized to fit just about every size hoses). I made it for my central vacuum extension (the gate needs to be open for operating the extension but closed if central vacuum is to be used elsewhere in the house). NOTE: Needs assembly using a few machine screws and nuts (I used M4); the same holes were used for cabinet underside mounting. You can place assembly / mounting holes where you wish, or alternatively design pins directly on the model to snap fit - but it won't be as airtight.
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