(Beta Test) Magnetic MMU Transport Handle for Original Prusa Enclosure Interface

prusaprinters

<h3>Beta Testing Notice</h3><p>This model is currently in beta testing.&nbsp;</p><p>I printed the manifold in Prusament Jet Black PLA. It had some stringing across the tube holes that required some cleanup with an X-Acto knife. I printed the Modified transport handle in Prusament Prusa orange PLA. The slots for the square nuts are a little bit tight, but they were the same as the original so I assume it isn't prudent for me to enlarge them.&nbsp;</p><p>I have not been able to test this end to end because I am still waiting on the magnets to arrive.&nbsp;</p><p>I am releasing this model for beta before I complete testing because these parts are remixes of extensively tested parts and I have tested all of the modified portions.&nbsp;</p><h3><strong>Non-printed Material</strong></h3><ul><li>2 pc. M3n&nbsp;</li><li>2 pc. &nbsp;M3x8&nbsp;</li><li>3 pc M3nS</li></ul><p><strong>NOTE: </strong>Check your spare parts box, you should have this hardware left over from putting the enclosure together.</p><ul><li>5 pc. <a href="https://www.supermagnete.de/eng/ring-magnets-neodymium/ring-magnet-10mm-4mm-5mm_R-10-04-05-N">Ring magnet 10mm OD x 4mm ID x 5mm thickness</a></li></ul><p><strong>NOTE: </strong>The linked company does not ship outside of Europe and I could not find a US source that produces this size. Anyone outside of Europe has a couple of options:&nbsp;</p><ol><li>Use a <a href="https://mygermany.com/">reshipper</a> who will receive your package and ship it to you.&nbsp;</li><li>Order the magnets custom. I have provided the specification file in PDF format in “other files” below you can upload the provided document at the bottom of <a href="https://smmagnetics.com/pages/engineering-tools-suite">THIS page.</a></li></ol><ul><li>5 pc. 4mm OD 2mm ID PTFE tubing ( <a href="https://www.amazon.com/gp/product/B098QL6Y58/ref=ox_sc_act_title_1?smid=A3BEDPAKKRH2YK&amp;psc=1">This is the best deal I could find</a> please comment if you find a better source)</li></ul><h3><strong>Magnetic Connection Standardization</strong></h3><p>For the sake of my own sanity, and yours should you choose to adopt this standard. &nbsp;I propose the following standards:</p><ul><li>All connections where the connector is attached to a fixed object (enclosures, dry boxes, etc.) that the magnets all present the <strong>NORTH</strong> pole for attachment.&nbsp;</li><li>All non-fixed connectors present the <strong>SOUTH</strong> pole for attachment.</li><li>All PTFE tubes have a magnetic connection at both ends whenever possible.</li></ul><p>You can easily determine the polarity of a magnet using a <a href="https://www.amazon.com/CMS-Magnetics-Magnetic-Detector-Identifier/dp/B00OQRG0HA/ref=pd_bxgy_img_sccl_1/130-5133928-0828943?pd_rd_w=ssJiW&amp;content-id=amzn1.sym.7757a8b5-874e-4a67-9d85-54ed32f01737&amp;pf_rd_p=7757a8b5-874e-4a67-9d85-54ed32f01737&amp;pf_rd_r=4W5N6EQ24T71X8N66Z31&amp;pd_rd_wg=ioX1g&amp;pd_rd_r=48614e33-0fe7-4921-8f7f-4061b6d92f32&amp;pd_rd_i=B00OQRG0HA&amp;psc=1">Polarity Detector</a>. Once polarity is determined it can be helpful to use the <a href="https://www.printables.com/model/234533-magnet-polarity-helper-requires-8x3mm-magnet">Polarity Helper</a> to keep track of the polarity while you are working.&nbsp;</p><p>&nbsp;</p>