Dyson air purifier outperformed by cheap DIY box fan filter in Marketplace test

Re:Dyson air purifier outperformed by cheap DIY box fan filt... by pmontra on Thursday February 11, 2021 @04:24PM (#26107464)

Serendipity happens: I was looking at a number of videos about DIY Dyson fans after I learned that bladeless fans exist. Then this post on HN.

Examples

[ Parent | on HN ]

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.

[ Parent | on HN ]

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

[ Parent | on HN ]

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.

[ Parent | on HN ]