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

swiss screw / electric product screwdriver

The Swiss flag image is for swiss made identity and the screw shape is easy to hold and unslippery
swiss screw with magnet powered LED. It employs a coil, traveling magnet, and capacitor as a power source, shaking the screwdriver charges the capacitor which powers the LED. This design is for bad lighting enviroment.

It requires about 30 seconds of shaking for about 20 minutes of light.


National Cheng Kung university

National Cheng Kung university
ID Dep
Tainan, Taiwan


cloud on field

cloud on field
Kaohsiung county, Taiwan