Vortex Bottle

The Vortex Generator is a connector for 2 bottles that demonstrates the formation of a vortex in a closed system as water travels from one bottle to another. When the bottles are turned over you create a pressure difference that you can swirl which will create a vortex as the pressure difference is resolved. You can also put a few drops of food dye or glitter in it so it looks better c:PrintingPLA or PETG are both finePicking Your Perfect BottlesThread Type; There are 2 common threads, PCO1810 (taller) and PCO1881 (shorter) pictured in the diagram above, the PCO1810 thread type is generally stronger and you'll have an easier time tightening and preventing leaks.Bottle Shape: A bottle with a tapered funnel shaped works best, bottles with round or odd shapes like Fanta bottles tend to have issues starting the vortexes.Bottle Size: Anything larger than 1L is fine, 2L bottles will spin for a while, but I found that 1.25L is a perfect balance.After picking your bottles you fill them abo