This is an adapter for a fairly standard ribbed vacuum hose. I based the design on the one I managed to break.
There are two parts to this (though they are included as a single model so that it prints in place as a unit), the lower part ‘screws’ onto the ribs of the hose, the upper part fits standard tool dust ports etc. The two parts rotate freely of each other (Assuming it prints ok)
so that you can connect to a tool but the hose is still free to spin etc.
I printed mine in PETG, 0.2mm, with minimal supports – I set slicer with an overhand threshold of 10, so only the base of the outer shell and the start of the internal threading get support.
The rest is designed to print without.
Took about 5.5 hours on a prusa mk3
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