M4 bowden nub
thingiverse
This is a guide nub that fills the gap at the back of the M4 pneumatic connector on the Bowden. This helps prevent the new filament from getting snagged and jamming.
Download Model from thingiverse
With this file you will be able to print M4 bowden nub 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 M4 bowden nub.