Organization of fans in the case?

Question

Computers

Another question arose...
How to properly blow in blow out fans... For example, let's take this example:
There are 7 fans in the case:
3 in front for blowing in 1 in the
back for blowing out
1 on the side panel - ?
1 at the bottom of the case, let's say on the lower right side of the PSU - ?
3 fans on top - ?

Answer 1

The general rule in a vacuum is to take cold air from the front and bottom and blow it back and up.
Of course, this does not take into account the features of the case

Answer 2

You can see this solution: How to properly organize the cooling system in the system unit?