Funnel for bottled water
thingiverse
This design is suitable for a 1 PT (16.9 FL OZ) Poland Spring bottle, though it can likely be used with other beverage bottles too. It's perfect for adding powdered drink mixes to water without wasting any on the threads or side of the bottle. However, dishwasher safety is still uncertain. I printed instructions at standard resolution with 2 walls and 100% fill, hoping it would survive a dishwasher cycle.
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