50mm to 40mm fan adaptor.
thingiverse
An adapter plate to get a 40mm Fan into a 50mm slot. $0mm fan snaps in and is held securely by some little nubs. Holes for 50mm are sized to take proper fan screws so nothing is needed except what you should already have.
Download Model from thingiverse
With this file you will be able to print 50mm to 40mm fan adaptor. 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 50mm to 40mm fan adaptor. .