According to the design of the red and blue rulers

Quick answer：

The phrase 'according to the design of the red and blue rulers' likely refers to a design or layout that is inspired by or based on the dimensions or patterns of red and blue rulers. This could be in the context of graphic design, architecture, or any field where precise measurements and proportional arrangements are important. The red and blue rulers might symbolize different scales or types of measurements, possibly indicating a unique or artistic approach to standard measurement systems.