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

Dew / bottle cap


Dew is a Cactus inspired bottle cap, it collects and turns atmospheric moisture into daily drinking water. It is designed for people who are affected by uncontrollable factors and lack of access to safely managed drinking water services, meanwhile allows people to get clean water for daily needs without electricity or any other environmentally harmful or unaffordable energy, the Dew water bottle cap consists of two major parts which are the cactus-shaped mist collecting net and filter. The mist collecting net designed as uniformed wavy lines to increase contact surface with air, then dew drops flow into the filter along the main rod.


RMIT University

RMIT University
Melbourne, Australia

Yiyang Liu,
RMIT University