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

Tips-Change Sharpener / Tips-Change Sharpener

Tips-Change Sharpener

Tip-changing Sharpener Pro is able to change the angle of the blade pencil sharpeners.By changing the angle of the blade so that can make different tip of a pencil ,so it can satisfied different need of functions and different preferences of users using. The blade angle becomes smaller, the tip becomes sharp and long,tip can burn longer and thus reduce frequency of using sharpener, but will increase the consume of pencil The blade angle becomes larger, the tip becomes shorter, it will reduce the consume of pencil that every time you use sharpeners, but the tip can be consumed faster thus increasing the frequency of using sharpener.

University

Nan Chang University

Nan Chang University
Nan Chang, China