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The tube of the toothpaste is always cylindrical,and people are like to have a packed toothbrush.Also the half of the squeeze toothpaste out of a tube is wasted,and it’s very easy for them to fall down . When you ‘re brushing your teeth, the toothpaste is not fit your teeth. So we design the shape of the toothpaste export of circular space into a square space , and all the difficulties have been solved.
Chongqing Technology and Business University
chongqing, China