| 摘要 |
The invention includes embodiments of a device having two or three receptacles for holding liquids for drinking by a user. The receptacles are fixated in relation to each other such that a user can drink all, or substantially all, of the liquid in one of the receptacles without spilling liquid in the other receptacle or receptacles, which can be filled to a specific level. The receptacles are fixated in relation to each other based on formulae that include variables including receptacle angles, spill angles, fill-lines and/or lip angles. The receptacles may be attached to the rest of the device by stems, their outer portions or the may be embedded in a block. The receptacles may include reservoirs into which the liquid may flow.
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