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.
- 0.1mm layer height is recommended
- Model in the picture is made of PLA
- 3Ds MAX open files are included