Can you use a CPU fan as a case fan?

[jake.borg.2611]

Hypothetically, and assuming you have the right screws, could you mount a cpu fan (like a noctua fan) to the case and use it as a case fan?

 

[xxxlun4icexxx]

Going to refer you to http://www.tomshardware.com/answers/id-3037151/make-cpu-fan-work-case-fan.html . Short answer is yes though, it's possible.