Fan Duct for E3D hotend
thingiverse
The design fits the E3D's main fan duct, accommodating a 40mm fan that directs air around the nozzle. Although airflow with my finger seemed slightly insufficient, it effectively cools the uppermost layer in PLA prints.
Download Model from thingiverse
With this file you will be able to print Fan Duct for E3D hotend 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 Fan Duct for E3D hotend.