another one bottle cutter
thingiverse
It's another essential tool you'll be needing, a precise bottle cutter. To get started, you'll require a specialized 35x11mm blade - I've personally found that cutting a standard razor blade in half will yield the perfect size for this task.
Download Model from thingiverse
With this file you will be able to print another one bottle cutter 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 another one bottle cutter.