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平行工程尺 / Parallel engineering ruler

平行工程尺

The design exposition
In the engineering drawing,you often need to draw horizontal lines and straight lines of some special Angle, this process takes more time to go to the accurate positioning.
The parallel engineering feet we designed is more convenient for engineers to draw, a laser projection lamp is embedded respectively in its both sides. When the engineer needs to draw a parallel line, he just opens the laser switch on the both sides, then puts the same scale which is on the both sides of the projection on the engineering drawing's the border line respectively.Thus , you can easily draw any parallel lines you want.

University

Xihua University

Xihua University
Chengdu City, China

Design

Xihua University

Xihua University
Chengdu City, China

Xiuhong Ye Yan Wang Boyu Hu Chunyan Fan