12cm case fan funnel

I designed this to prevent hot-dry air from blowing my colleague's face as his seat is in front of my seat. Not having the same problem with me? You can use it simply just to make your tower looks cool or direct hot airflow elsewhere.

**Note**:
Do you see the little bumps pointing by yellow arrows? I used it to support a wooden stick in order to prevent the funnel from deformation as shown in one of the photos. To put the stick there, I have to pause the printer a while as well as temporary