Professional drawing template with 9 sets (complete), made of high-quality plastic, durable, not easy to break. The ruler's corners are designed with a curve, not easy to hurt hands. The ruler uses a brighter green color, a complete set meets all drawing needs. Includes: multi-size circular drawing template, multi-size elliptical drawing template, multifunctional drawing template, geometric drawing template, mathematical learning model, nut model, construction model, network technology model, mechanical model, curve model. Wide Range of Applications: These templates are suitable for architectural planning, mathematical geometry, illustrations, score measurement, jewelry design, mechanical design, electronic information drawing, etc. Each ruler has different patterns and scales to meet your needs, suitable for studios, schools, offices, homes, etc. Washable: These drawing templates are all made through a professional stencil printing process. There is no case where the scale fades and disappears. It can be washed with water, with clear carving, long service life, and complete collection. This is a very valuable gift.