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

O.KEY/door knob / door knob

O.KEY/door knob
O.KEY/door knob

There are many situations when you find difficulties in locating and opening a door key.
whether the surrounding is too dark, You can only use hand since your hand is occupied ,
or maybe you are visually disabled person.
O.KEY is a door knob with a wide opening in the center that ease the user inserting the key vertically
into the hole. You just need to drag the key all the way to center and turn it like usual to open the door.


Kookmin University

Kookmin University
Seoul, South Korea

Go to profile

Sunghyun, Choi

Sunghyun, Choi
Seoul, South Korea

Yeongchae Choi Siannie Dita Putri