Tube Key
thingiverse
For those last little bits in any type of tube! Slide the tube key onto the end of the tube and roll away.
Download Model from thingiverse
With this file you will be able to print Tube Key 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 Tube Key.