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Design Description: This product design inspiration compasses, break the limitations in its original use of products.
Two design points that make it the local use of the. First point: the circle on the axis of rotation.
Week scale to facilitate accurate measurement of the angle of its size, the second point: when the measurement tool is launched
Now 180 degrees can be converted to use a ruler.
Zhengzhou University of Light Industry
Zhengzhou City, Henan Province, China