Balloon Tying Tool
thingiverse
Check the video below for how it works. Compared to some of the balloon tying tools found here, this one does not require to reserve a long portion of mouth piece for knotting. That means you can make a bigger balloon without worrying about knotting problem. https://youtu.be/h5grxhWovU8
Download Model from thingiverse
With this file you will be able to print Balloon Tying Tool 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 Balloon Tying Tool.