80mm Fan - PC Custom Case Mount

I built a custom case for my computer and needed a way to mount an 80mm case fan without taking up a full 80mm x 80mm area on the outside of the case. With this design, you can mount an 80mm case fan inside your case while only needing 80mm x 40mm of space to create an opening.

The design is broken up into three parts, with only the Fan Top Mount needing supports to print if everything is printed upside down. Please flip the designs 90 degrees to the left as shown by Thingiverse to print in t