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

Accordion window / window

Accordion window
Accordion window

This window prevents cat living in high-rise residence and other items in high-rise residence from falling down from the window. Cats are very willing to play in front of the window. These people will be afraid of opening the window because of worring about thier cat falling from the window.The cat may be attracted by things outside and jump out the window. It is danguagous and they may even lose their life.
The window can open to 90 degree. There is metal screen for window which is accordion and can be taken in the window frame when the window is closed. On sunny day, the cat can play here and enjoy the sunshine.


Shanghai Second Polytechnic University

Shanghai Second Polytechnic University
Shanghai, China