NACA 4415
grabcad
The AIR TRACTOR-AT 301 specifically uses this feature in aircraft.
Download Model from grabcad
With this file you will be able to print NACA 4415 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 NACA 4415.