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Painting a room is a deeply personal endeavor: Choose your favorite color and paint to produce a unique personal space. But painting up and down all day can leave you tired and achy. Based on experiments with the interaction of paint and brush, weve found that the design of conventional paint brushes in incompatible with the natural movement of human muscle groups. U-brush is a novel brush design which allows you to paint with ease and comfort.
Chang Gung University
Che-Wei Chen , Tzu-Yao Yang