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

SF0319 / Growth ruler


The three-digit number can be recorded. The number can be changed according to the length of the scale.Card slot can be fixed scale length, and not easily retracted.The card slot can also hold the lowest end of the scale when not in use.


JiangSu University of Technology

JiangSu University of Technology
Chang Zhou, China

菲 邵,
JiangSu University of Technology