I like the design of "BreezeBlock fan shroud" done by CoffeeOutlaw and yet I still prefer the "Radial Fan Fang for Creality CR-10" done by jneilliii.
So I modified the holder to fit the Fan Fang.
M3 6mm Bolts x 4
M3 16mm Bolts x 4
M3 20mm x 1
M3 Nut x 1
I've noticed the Fang I'm using is having error, in case someone having issue printing it, I've uploaded the Fix Fan Fang I'm using here.
Here's the original link:
Radial Fan Fang for Creality CR-10
Choose one that better suit your need.
BreezeBlock fan shroud