Summary
I used this things – https://www.thingiverse.com/thing:2429022 to modified for the 40mm fan since it look like having the best design for the fan shrouds
40mm fan shrouds 3D Print Model
Summary
I used this things – https://www.thingiverse.com/thing:2429022 to modified for the 40mm fan since it look like having the best design for the fan shrouds