40mm fan Guard
thingiverse
Noise-reducing fan guards resembling popular fans are available to minimize sound from your fan, but will also marginally decrease airflow.
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.