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

Invisible Chair / Bar stool

Invisible Chair
Invisible Chair

This concept comes from an inverted chair.

The support point of the chair seemingly impossible to presence ,but it can be sit on stably for its colorless polypropylene seat and legs.

The visuals and the thinking activities makes interesting experience for the viewers.


Ming Chi University of Technology

Ming Chi University of Technology
New Taipei City, Taiwan

Yi-Zhen Sung,
Ming Chi University of Technology