Fan guards are designed to fit and snap-on any 40mm fan. In case you are looking for a permanent solution one drop of super-glue at the corners should do a trick. The guard doesn't cover any of fan's four bolts. Fibonacci sequences have always interested me and how many nature examples you may find around you. There are 5 variations made of those sequences with some modifications to fit printing.
Enjoy!
fibonacci-fan-01.STL | 9.5MB | |
fibonacci-fan-02.STL | 7.0MB | |
fibonacci-fan-03.STL | 3.2MB | |
fibonacci-fan-04.STL | 5.8MB | |
fibonacci-fan-05.STL | 2.6MB | |
fibonacci-fan-40mm.max | 616.0KB |