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:


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

Publish your project

GOODBYE SCALE / toothbrush


It will affect your mood when you are brushing your teeth and seeing the scale at the bottom of the tooth cup. We hope the design make the simple improvement for the toothbrush rod, which can easily remove the scale at the bottom of the cup.

GOODBYE SCALE adopts the integrated design, the bottom of the toothbrush rod is design to be the flat sheet. It can scrape the scale at the bottom of the cup by the shape feature while without increasing the consumptive materials. Before you brush your teeth everyday, using the toothbrush rod to scrape the bottom of the cup, you can maintain the clean and healthful brushing environment.


Zhejiang University

Zhejiang University
Hangzhou, China