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Rolling ruler / product design

Rolling ruler
Rolling ruler

This is a electronic ruler.Dedicated measured curved and turning surface .Using three fingers to control the two wheels and contact surfaces. Drag it to the destination.The distance of measurement come from rotations of the wheel.

University

Xi'an Technological University

Xi'an Technological University
XI'AN TECHNOLOGICAL UNIVERSITY, China

Design

Xi'an Technological University

Xi'an Technological University
XI'AN TECHNOLOGICAL UNIVERSITY, China

Pengcheng/Dai Zhenhua/Zhou Qingbin/You Huiran/Shi