Unsupported browser

You are using an outdated browser. Please upgrade your browser to improve your experience.

Sign up for an Award

Participate with your entry in one of our professional or student awards.

Sign up for an award

Sign up for a Profile

Create your own profile and publish it in the iF WORLD DESIGN GUIDE.

Sign up for a profile

Learn more:

iF SOCIAL IMPACT PRIZE (free of charge)

Present your project for free and win your share of EUR 50,000 in prize money.

Publish your project

Bump wrench / wrench

Bump wrench
Bump wrench

Bump wrench
In the past, we use wrench need many difference size, now only one wrench is enough. Wrench head's cave shape depending on the nut shape pressure, bump pressure can make a concave hole shape.

After use, inside structure will automatically bounce the status back to before use quo for the next use.Just some element unit repeatedly, can create many shape.

University

National Cheng Kung University

National Cheng Kung University
Tainan, Taiwan

Go to profile
Design

I Jui Lee

I Jui Lee
TAINAN, Taiwan