Prusa i3 40mm fan duct
thingiverse
If you're planning to install a 40mm fan on your nozzle, then the entire original design intended for 30mm fans needs to be swapped out with this new component.
Download Model from thingiverse
With this file you will be able to print Prusa i3 40mm fan duct 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 Prusa i3 40mm fan duct.