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This cup will spill out the side if tipped in all but one direction.
Water spillng out the side.
The one direction that the cup can be tipped without it spilling is indicated by an arrow on the bottom of the cup.
The spilling mechanism works like a Pythagorean cup, but instead of overfilling triggering it, it activates when tipped due to it being positioned in the side of the cup.
Unlike the Pythagorean cup, this cup does not create a siphon effect. The siphon is not created due to the mechanism being rotated around the cup, but it does mean that the cup will spill part of the contents when overfilled.
Print on a 3D printer with decent bridging abilities. Position the cup to it will print from the bottom of the cup.
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