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A comment on Dyson air purifier outperformed by cheap DIY box fan filter in Marketplace test. Parent comment

Re:Dyson air purifier outperformed by cheap DIY box fan filt... by ortusdux on Thursday February 11, 2021 @05:17PM (#26108146)
They 3d print well if you have a good printer. I've seen designs that use standard size computer fans, which make them cheap and easy.
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Re:Dyson air purifier outperformed by cheap DIY box fan filt... by throwaway180118 on Thursday February 11, 2021 @05:38PM (#26108358)
I wonder if the porous surface of 3D printed materials affects the airflow
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Re:Dyson air purifier outperformed by cheap DIY box fan filt... by Normal_gaussian on Friday February 12, 2021 @05:23AM (#26112158)
You can coat them - and should, otherwise dust gets lodged in and its a PITA.
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