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

math chair / math chair

math chair
math chair

The Arabic numeral '1,2,5' can combination into any number through the addition and subtraction.This principle has being used into the face value of money.So,why don't we use it to design a chair.Then we can stack the different height of chairs into different height.Meanwhile, in a family we need different height of chairs,and as the child grow up we also need different height of chairs.The most important is that the chairs is also a kind of toys which could help child develop mentally.

University

Nanjing University of Aeronautics

Nanjing University of Aeronautics
Nanjing, China

Design

Xiamen Tianma Microelectroincs

Xiamen Tianma Microelectroincs
Xiamen City, China

蓝蔡平

Design

KEHUA Group (China)

KEHUA Group (China)
fujian, China

程继野