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

Magic cup / product

Magic cup
Magic cup

This kind of cup can turn color and shape,and used the meterial which can response stree and temperature in future.When put water into it,the cup began to become big for the influence of gravity,but when the water lessen,the cup’s volume also become smaller than before.If the water temperature is high,the cup will show red.However,once the water temperature with the limits of people can receive,it will turn green.Besides,when the amount of water gradually reduce,it show blue,and at final if no water in it,the cup will become white.What the design concept is that saving water for the green living.


Lanzhou university of technology

Lanzhou university of technology
Lanzhou city, gansu province, China

Ming-yuan Liu,
Lanzhou university of technology