Diplo Duct - Ender 3 V2 4020 BMG Direct Drive

prusaprinters

<p>Here is a cooling duct I designed as I couldn't find anything to suit my needs.</p><p>My requirements were:</p><ul><li>Use 2 4020 or 4010 fans</li><li>Direct drive with BMG</li><li>Stock hotend</li><li>No loss in build height</li><li>Great access to heater block</li><li>Voron inspired ish :)</li><li>BLtouch mount</li></ul><p>Cable chain I've uploaded a zip file that contains STEP files as well as some models with supports and or heat inserts.</p><p>BLtouch offsets: X= -17 Y= -46</p><p>I used 19 links in the cable chain</p><p>Top fan is for the hot end cooling and bottom fan is for part cooling.</p><p>Let me know if you have any issues and ill adjust the design.</p><p>Feel free to ask any questions if needed</p><p>Installation Video: <a href="https://youtu.be/bVvnFO4_Sbc">https://youtu.be/bVvnFO4_Sbc</a></p><p>Video of it in action: <a href="https://youtu.be/Hdh5awxT1h0">https://youtu.be/Hdh5awxT1h0</a></p><p>Video of me trying a 260mm bridge: <a href="https://youtu.be/PXuKudpCQ3Y">https://youtu.be/PXuKudpCQ3Y</a></p><p>Video of a 9:54 benchy :) <a href="https://youtu.be/ZSc3cwUk398">https://youtu.be/ZSc3cwUk398</a></p><h3>Print Settings</h3><p><strong>Printer:</strong></p><p>Ender 3 v2</p><p>&nbsp;</p><p><strong>Rafts:&nbsp;</strong></p><p>No</p><p><strong>Supports:</strong></p><p>&nbsp;</p><p>Yes</p><p>&nbsp;</p><p><strong>Resolution:&nbsp;</strong></p><p>200</p><p><strong>Infill:</strong></p><p>&nbsp;</p><p>50</p><p><strong>Filament:</strong> Esun ABS BLACK&nbsp;<br>&nbsp;</p><p><strong>Notes:&nbsp;</strong></p><p>Link to onshape model<br><a href="https://cad.onshape.com/documents/5acf57c92eb2f2dbbfc995f8/w/b1577933d8b6d27f78d9d40e/e/318d386686698e96972eb8ce">https://cad.onshape.com/documents/5acf57c92eb2f2dbbfc995f8/w/b1577933d8b6d27f78d9d40e/e/318d386686698e96972eb8ce</a></p><p>Update 1-Aug 2021 V2:</p><p>&nbsp;</p><ul><li>Ducts pointing towards the nozzle better</li><li>Spit design in half for easier printing, few bridging sections but easy enough.</li></ul><p>No need for the plugs anymore Update 26-Aug 2021 V3:</p><p>Add cable chain mod</p><ul><li>Hidden fan wires</li></ul><p>Hidden hot end wires Update 30- Aug 2021:</p><p>Added STEP Files</p><ul><li>Added models with supports</li><li>Added models with 4.9mm heat insets</li></ul><p>&nbsp;</p><p>&nbsp;</p><p>Category: 3D Printer Accessories</p>