1. Multipurpose The multifunctional universal drawing ruler can draw required graphics, such as: protractor scale, Ycoil, function symbol slot, circular hole with radius marking, Xcoil, polygonal hole, circular arc, shortened wire slot, oval hole, ruler, etc. 2. quality Material The multifunctional geometric ruler is made of quality plastic. Lightweight, durable, and easy to carry. The transparent material ensures you don't overlook important numbers or words while drawing. It can draw various shapes, with clear scales, smooth sliding, stable drawing, minimal distortion, and easy observation. 3. Various Patterns 14 geometric shapes of different forms are integrated into one ruler, making it very convenient to carry, meeting your diverse needs in daily use, and providing comfortable measurement. 4. Suitable for Everyone Whether you are an artist, student, model maker, or designer, this multifunctional geometric ruler is a helper for your work or study; it can help develop your manual skills and imagination.