DIY Prusa Enclosure Filtered Exhaust
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As much as I love giving Prusa Research my money, I wanted to try and create my own filtered exhaust for the enclosure.
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As much as I love giving Prusa Research my money, I wanted to try and create my own filtered exhaust for the enclosure.
This design attaches directly to the existing exhaust port on the Prusa Enclosure and has a four piece modular design that allows for well secured parts and an easily replaceable filter. Using this 140mm USB fan (https://a.co/d/104GNF8) and a square HEPA/activated charcoal filter replacement (https://a.co/d/2jRjQW4) you can help filter out harmful particles and remove odors that may be present during printing while keeping some positive airflow in your enclosure.
The design uses leftover M3-12mm screws from the Prusa kits to hold together the inner mounting plate and the fan cover, and re-uses the screws from the USB fan rubber support stands to attach the fan to the two part cover. As well, 8mm x 3mm neodymium magnets are attached using CA glue in the provided spots to hold the removable filter box against the fan, and makes switching out the filters a simple task without stressing out the enclosure panel.
I have included the .STL, .3MF from PrusaSlicer and the original .F3D Fusion 360 file for modification purposes.