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Straight line / Straight line & Rotating

Straight line

To our daily life experience can know, when We turn when itis
difficult to keep screw screw perpendicular to the object The
plane rotation in, for our hand cannot always To keep still.
So I want to let a screwdriver and screw always stay vertical
Face to face with into objects will need to a fixed with a
screwdriver Device. As I have the design of "Straight
line Rotating ". Use the site of the original triangle stability
Richard in the screwdriver handle place added a fixed with a
screwdriver Device.

University

Jingxi university of finance and economics

Jingxi university of finance and economics
MaiLu campus, 104, building E static, China

Design

Jingxi university of finance and economics

Jingxi university of finance and economics
MaiLu campus, 104, building E static, China