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:

iF SOCIAL IMPACT PRIZE
(free of charge)

Present your project for free and win your share of EUR 50,000 in prize money.

Publish your project

Notes' Dirty Free Ruler / ruler

Notes' Dirty Free Ruler
Notes' Dirty Free Ruler

Ordinary ruler is always fit closely on paper. It contaminates scripts because of ceaselessly moving and friction. In order to solve the problem, we introduced Point-Supporting structure, this ruler won’t contact large area of paper when not be pressed even slid casually, which can keep the paper quite clean.

University

Tianjin University

Tianjin University
Tianjin, China

Design

Tianjin University

Tianjin University
Tianjin, China

Qiquan Deng Yue Zhu Xiaofan Mao Jutao Li