Wind simulator (simracing)

I decided to install my fans (from SRS SimRacingStudio) at the back of my triple screens, suspended with a string, to avoid noise and vibration

I used this custom mount on my 4040 aluminum profile as well as this 4 inch ducting
https://www.amazon.ca/gp/product/B07WRDTX4C/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

I also used those 102mm aluminum ring
https://www.aliexpress.com/item/4000232159986.html?spm=a2g0o.order_list.order_list_main.40.21cd5e5bChVGgh&gatewayAdapt=glo2fra

Here, for the fan side part
https://www.thingiverse.com/thing:6310955