berd-blower nozzle.
thingiverse
Nozzle employs the principle of venturi found in some air guns to increase air volume. recommend print setting 30 -40mms in theory pla can "work" since the nozzle doesn't need to be overly close to the hotend,however, temp resistance is better etc.
Download Model from thingiverse
With this file you will be able to print berd-blower nozzle. 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 berd-blower nozzle. .