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Don't Roll / battery design

Don't Roll
Don't Roll

Eliminate the problem of batteries unceremoniously rolling around or off a surface. Simply have one side being flat to eliminate batteries rolling away.

University

National Taipei University of Techn

National Taipei University of Techn
Taipei City, Taiwan

Design

Wen-Tsung Lin

Wen-Tsung Lin
National Taipei University of Techn
New Taipei City, Taiwan