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

Ice Lock / Controller

Ice Lock
Ice Lock

In winter, the ventilating hole need to be closed for freeze protection. However, this device will be able to open and close the vents without any managements by the principle that water expands as it freeze. This energy-saving device is also used in various ways.


Hongik University

Hongik University
Seoul, South Korea


Hongik University

Hongik University
Paju, South Korea