FLSun SR extruder filament boss
thingiverse
This is a longer replacement for the small boss on top of the printer that the filament feeds through before going into the filament sensor.
Download Model from thingiverse
With this file you will be able to print FLSun SR extruder filament boss 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 FLSun SR extruder filament boss.