Printables link. Apologies for the... very lazy select + background blur. In the land of windows I would have used paint.net, but I'm coming to you from a mac today and haven't found a great alternative.

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[–] 3 points 1 month ago* (1 child)

How does this one compare? I remember the 2L ones.

Now I'm curious how the tornado changes with different size / shape bottles

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  • [–] [S] 3 points 1 month ago* (last edited 1 month ago)

    It workes pretty well. Most of the injection molded vortex generators have an oreface that restricts flow, so I incorporated that concept into this design.

    The only downside is fluid capacity.

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