Dream Research Society × Special Multifunctional Set Ruler for Student Examination, Brand Not Disclosed for the Times. For the user group is: small high school students group. To put it simply, I received the design project of this special ruler and geometric painting ruler for student examinations in 2023. At that time, through research, it was found that this type of ruler was difficult to pick up on the table, especially to solve this problem.

In 2023, I received a design project for a special ruler for student exams and a geometric drawing ruler. At that time, through research, I found that this type of ruler is difficult to hold on a table, and I particularly wanted to solve this problem.