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All In One / Ruler

All In One

When drawing Angles, we need a ruler, set square and protractor.However these things repeatedly brought inconvenience to use. Now we design a ruler, which can solve all the problems in the drawing. It consists of electronic compass, battery, solar panel, display screen and a light emitting diode. When painting Angle, light according to display, record a ruler initial position, turn the ruler, electronic compass measuring ruler rotation Angle, the display can be displayed. Draw a straight line or when measuring length, built-in light diode can form light on the ruler and paper. It gives the users more accurate feeling.

Design

China University of Mining and Technology

China University of Mining and Technology
xuzhou, China

China University of Mining and Technology Yan3#,China Unversity of Mine and Tchnology,Xuzhou Jiangsu,PRC 221116 xuzhou, China