4in Duct Inline Replaceable Filter fitting mesh screens - parametric
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Filter your 3D printer exhaust duct by inserting a mesh screen inline at a 45 degree angle so debris doesn't hit the fan
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Model information
- Source
- Printables
- Category
- Other Printer Parts & Upgrades
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
This model is an inline coupler for 4in S&D NDS PVC pipe air ventilation systems. Filter your air duct by inserting a mesh screen inline at a 45 degree angle. The mesh screen can be easily removed and inspected.
Cut a mesh screen of your choice that is about 152mm x 116mm. I used a 1mm thick steel mesh with 4.5mm aperture that I bought on Amazon https://amzn.to/4hCEWyb (affiliate link) but you can buy a mesh screen with the hole size you want.
The model is parametric and I have uploaded the FreeCAD file so you can adjust it to fit your duct system if you have different pipe diameters.
I moved my 3D printer ventilation setup to an inline fan venting to the exterior. The 4in diameter inline fan I got is very strong so it could suck in unexpected debris if turned up too high.
I didn't intend for this mesh to catch super large items and need to be serviced regularly. But if you do, you may want to increase the size of the mesh holder piece so large debris can be extracted easier.