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Polymaker Polydryer Box PTFE adapter / stopper — image 1
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Polymaker Polydryer Box PTFE adapter / stopper

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Stops standard smaller PTFE tubes from sucking into your polydry box and causing feed issues

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One of my biggest gripes about the Polymaker dry boxes is how standard PTFE and bowden tubes get pulled inside the rubber ports on the box, especially since I use several with my MMU3, and the large tubes they ship with sit in my parts bin. Fits the standard and the XL boxes. 

I drew up this quick adapter piece in CAD.  Its got just enough friction where the tube goes in, and has a bit of a bulge near the tip to stay in the box when you change filament. 

I made mine at 0.18 layer height from PETG. No supports needed.  Quick print on the Core One+.

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