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Unlimited Ruler / Innovation

Unlimited Ruler
Unlimited Ruler

Drawing for the sake of accuracy we need different lengths of ruler to draw, however, the long ruler make we use or carry less convenient. This design was improved for this problem, simply hold down the middle of a small slide by hand and nudge ruler will be able to draw a straight line of infinite length, easy to carry, easy to operate, and saving materials.

University

Nanjing University of Science and Technology(NUST)

Nanjing University of Science and Technology(NUST)
NanJing, China

Design

Nanjing University of Science and Technology(NUST)

Nanjing University of Science and Technology(NUST)
NanJing, China