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This product is by the principle of laser light projection, without compass foot length constraints, according to user requirements projected out of the circle of different sizes on the walls or other places, said the center of a circle in the form of pushpin locations, so that the focal point is not will be mobile, can depict the perfect concentric circles.
National Yunlin University of Science and Technology
Yunlin, Taiwan
Jia-Ying Lin
Jing-Chun Luo
National Yunlin University of Science and Technology
Yunlin, Taiwan