About this 3D model

FLSUN V400 Fanduct for 4010 fans. I recommend this fans (24V Ball 12000RPM) : https://fr.aliexpress.com/item/32798634077.html?spm=a2g0o.order_list.order_list_main.13.21ef5e5b8i2sK2&gatewayAdapt=glo2fra