Filament 18mm wall feedthrough with M6 PTFE couplings
prusaprinters
<p>To guide the filament from the dry box into the self-built enclosure (IKEA Platsa) of my Prusa Mini, I developed this wall feed-through. It can be inserted into a drill hole from both sides and screwed together. Two PTFE couplings with an M6 thread can be screwed in afterwards to attach a PFTE tube on both sides and easily guide the filament through the enclosure wall.</p><ul><li>Wall thickness: 18mm</li><li>Screw hole diameter: 16mm</li><li>Filament diameter: 1.75mm</li></ul><p><i><strong>To learn more about the IKEA Platsa enclosure, check out </strong></i><a href="https://www.prusaprinters.org/de/social/38907-padigree/about"><i><strong>padigree's</strong></i></a><i><strong> amazing </strong></i><a href="https://www.prusaprinters.org/de/prints/51298-ikea-platsa-modular-dual-prusa-enclosure-minimk3sb"><i><strong>instructions including all the printable parts</strong></i></a><i><strong>.</strong></i></p><p> </p><h4>Assembly instruction</h4><ol><li>Print both parts</li><li>Drill a 16mm diameter hole through the housing wall</li><li>Insert the bottom part of the printed wall feedthrough into the hole</li><li>Screw the top part of the printed wall feedthrough from the other side to the bottom part</li><li>Insert a 28mm long PTFE tube into a PTFE coupling with an M6 thread and screw the coupling into the wall feedthrough.</li><li>Screw a second PTFE coupling with an M6 thread on the other side of the wall feedthrough</li><li>Connect a PTFE tube to both couplings</li></ol><p> </p><h4>Print instructions</h4><ul><li>No supports needed</li><li>PETG (it can get warm in the housing, which is why PLA is less useful)</li><li>Layer height: 0.15mm</li></ul><p> </p><h4>Accessories</h4><ul><li>M6 coupling for Bowden extruder 1.75mm continuous (e.g. <a href="https://www.3dware.ch/M6-Kupplung-f%C3%BCr-Bowden-Extruder-1.75mm-durchgehend-De.htm)">https://www.3dware.ch/M6-Kupplung-f%C3%BCr-Bowden-Extruder-1.75mm-durchgehend-De.htm)</a></li><li>PTFE tube 28mm long</li><li>2 PTFE tubes to connect on both sides</li></ul>
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