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Proofreading Ruler / ruler

Proofreading Ruler
Proofreading Ruler

When you write on the paper with no lines, many people would have experienced where their writing go up and down. In that case, people have to correct the writing again. In order to solve this problem, we designed a ruler which makes guide lines to people in a simple and easy way.


Catholic University of Daegu

Catholic University of Daegu
Daegu, South Korea

An Gukjin,
Catholic University of Daegu