40mm Fan Guard
thingiverse
I encountered problems printing various other fan guards that were available on Thingiverse. For the 40mm fans referenced here, I recommend checking out Digi-Key at this link: https://www.digikey.com/short/pj8vwj
Download Model from thingiverse
With this file you will be able to print 40mm Fan Guard 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 40mm Fan Guard.