Multifunctional RulerIn addition to basic lines, circles, rectangles, and triangles, our ruler can also draw cylinders, cones, cubes, parabola, golden section, angular bisectors, vertical lines, and other functions waiting for your discovery. Wide ApplicationWhether you are an artist, student, pattern maker or designer, this ruler is a good helper for your work or study; it can help develop your own manual skills and imagination. Various PatternsMany geometric figures of different shapes are placed on a ruler, which is very convenient to carry, can meet your different needs in daily use and is convenient for measurement. Precise and ClearThe scale is clear, the sliding is convenient, the drawing is stable and not easy to skew. The color of the ruler is transparent and will not affect the vision when drawing on white paper. Ideal GiftsThis is a geometric drawing ruler that integrates multiple functions, including different graphic designs, which can exercise practical skills and imagination.It can be a gift for students, teachers, artists, and craft lovers. A ruler is worth many ordinary rulers. NOTE 1. The product size is measured manually, and there will be a 2mm error due to factors such as different measurement tools and measurement methods. 2. This product is all taken in kind, but due to differences in photography, lighting, color deviation, and personal understanding of color. As a result, there may be some color difference between the actual product and the photo, and the color is subject to the actual product.