Snap-on Fan Guard 40mm
thingiverse
The changes are remarkably similar to the other two sources listed here, I've simply adjusted the timing of the snap in slightly to make it fit more snugly. A straightforward edit in Blender that others may find helpful?
Download Model from thingiverse
With this file you will be able to print Snap-on Fan Guard 40mm with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Snap-on Fan Guard 40mm.