Description Create fascinating patterns with this classic art tool that has been loved for generations. Traces out the curves turning math into beautiful art. Through different arrange and organization, you can draw a lot of patterns. Put one the the gears in the big circle, then position your pen tip in one of the little hole of the gear, and draw along the gear teeth. Then you can easily draw a lot of amazing patterns. Makes learning math and design fun, suitable to adult and children. Features - Color: Orange. - Material: Plastic. - Size: 30 x 15.5 x 0.2cm/ 11.81 x 6.10 x 0.079 inch.- Geometry set for school work, furniture templates, electrician template, sanitary ware template, building template, interior design template!- Drawing templates are made of good quality tough plastic with smooth inking edge, in transparent orange, durable to use.- Our template made of new material, comes with higher transparency, gloss and impact resistance than ordinary templates.- Our template has excellent flexibility and high hardness, not easy to break! - Designed with suitable thickness, convenient for your drawing!Package list: 3 x drawing ruler