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I really love 3D printing for a variety of reasons, but mainly for things like this:
I have a #HidrateSpark that I love using but they have inverted screw on lids so I can't use my favorite kind of lid with it - an epic chug lid that keeps the ice away from your face. I was looking all over for basically an adapter to turn my in-y into an out-y and I found a guy who prints them on ETSY.
It fits PERFECTLY on my bottle and allows me to screw on the lid I prefer to use.
