Extruder Cooling Fan Duct

prusaprinters

<p><strong>I've added two versions for MMU users, but these designs are based on CAD models of the MMU version of the printers. This means that I can't confirm whether they actually fit.</strong></p><p>This is a revised version of <a href="https://www.thingiverse.com/thing:2975582">CG-Tech his design</a>. The major change here is that the cooling duct is now integrated with Prusa's own filament sensor cover. This allows you to mount the extruder cooling duct with a bolt instead of superglue.</p><p>You will need a fan to cool the extruder stepper motor. Look at CG-Tech's post for more information on how to wire the fan.</p><p>Print the part in the orientation as shown in the .STL file. You will need some support material for the filament sensor cover part, but that shouldn't be an issue.</p><p>Thanks to CG-Tech for the great design!</p><p><strong>Support</strong></p><p>If you'd like to support me for the 3D models I distribute for free, you can use the following AliExpress affiliate link: <a href="https://s.click.aliexpress.com/e/_AoUC8h">https://s.click.aliexpress.com/e/_AoUC8h</a></p><p>Whenever you buy something through this link, I get a small kickback without costs for you :)</p><h3>Print Settings</h3><p><strong>Printer Brand:</strong> Prusa</p><p><strong>Printer:</strong> I3 MK3S</p><p><strong>Rafts:</strong> No</p><p><strong>Supports:</strong> Yes</p><p><strong>Resolution:</strong> 0.2mm</p><p><strong>Infill:</strong> 100%</p><p><strong>Filament:</strong> ColorFabb nGen Gray Metallic</p>