【Multi-Function Ruler】The multi-function measuring scale can draw the graphics you need, including protractor scale, Y spool, function drawing slot, round hole with radius mark, X spool, polygon hole, arc, short line slot, active short, ruler, parallelogram, built-in triangle, oval hole, and straight ruler. 【High-Quality Material】Made of transparent plastic. Lightweight and easy to carry. The transparent material allows you to draw without ignoring important figures or words. 【Accurate and Clear】It can draw various shapes, the scale is clear, the sliding is convenient, the drawing is stable, it is not easy to distort, and it is easy to observe. 【Various Patterns】14 different geometric shapes are arranged on the ruler, which is convenient to carry, meets various daily needs, and is also convenient for measurement. 【Wide Range of Applications】Whether you are an artist, student, pattern maker, or designer, this measuring rolling ruler will be helpful for your work and study. It can help students develop their manual skills and their imagination.