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

ruler with you / earphone

ruler with you
ruler with you

most people have a earphone with them to listen to music or have phone calls no matter where are they going,but seldom have people took a ruler with them. however, people need to measure something more often than not.
this design takes advantage of an earphone which is often carried and available,long enough and flexible, and combine these advantages with a ruler.all we need to do is printout standard scale on it, they you can have a convenience ruler with you!
the ruler earphone can be used to solve problems in daily life, like measuring your waistline to choose a jeans on e-shops, measuring the length of graphs on the textbook,


China University of Geosciences

China University of Geosciences
class of 074111
Wuhan, Hubei province, China


National Taxation Bureau of Dangyan

National Taxation Bureau of Dangyan
family area
Dangyang, Yichang, Hubei Province, China