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Non-Marking / vacuum cup

Non-Marking

People can drink water by using Vacuum cups all the time, but usually after twit-off the cup cap, several drops of water will run along the outer-wall of cups, an unpleasant water line leave on the newspaper
This design is to add a small aperture on the cup, thus water will directly drop into this aperture and effectively avoid the water line.

University

Sichuan Normal University

Sichuan Normal University
ChengDu, China

Design

Sichuan Normal University

Sichuan Normal University
ChengDu, China

Siji He/Zuolin Wu