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

Unlimited Ruler / Ruler

Unlimited Ruler
Unlimited Ruler

There are many problems that we can use clever ways to solve,such as measuring a longer distance,without the tape is hard to achieve.And now,Unlimited Ruler make it easy to measuring a longer distance with a ruler looks like an ordinary one ,but the different is that there is a hole at each end of the Unlimited Ruler,unlimited length can be measured,as long as the fingers insert therein and alternate the holes. Besides,there are regular holes on Unlimited Ruler,putting the nib inserted therein and the corresponding size circle can be drawn.The one side is centimeter and the other is inch , the appropriate size circle can be drawn easily.


Zhengzhou University of Light Industry

Zhengzhou University of Light Industry
ZhengZhou City, China

Yang Yang,
Zhengzhou University of Light Industry