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How long ? / Ruler + Cellotape

How long ?

Have you ever wasted sellotape because you cut the sellotape longer of shorter than you thought. The concept of “How long?” enables people to cut an accurate length of the sellotape. It is economical, environmental, and efficient in that sellotape will not be wasted.


Konkuk University

Konkuk University
Seoul, South Korea


Hongik University

Hongik University
Seoul, South Korea

Hyerim Sun, Seyoun Park