Two students at North Liberty High School in Missouri designed a 3D-printed cap insert that keeps water inside the bottle.

North Liberty High School seniors Tyler Richards and Jonathan Thompson have designed a 3D-printed solution to the age old problem of ketchup in a bottle – that watery mess from the first squeeze.

The students designed a 3D-printed cap insert that is shaped like an inverted mushroom and creates a sort of stopper for the nozzle of the bottle. The ketchup is pushed up and over it as it is squeezed out of the bottle and the water collects at the bottom and is prevented from being squeezed out with the ketchup.

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