Metric Perspective Isometric Dimetric Cavalier Projection Set Square Drawing Drafting Template Stencil Ruler Dimensions: 290 x 160m, Thickness: 2mm Drawing board angle for dimetric (7 / 42 degrees), isometric (30 / 30 degrees), and cavalier projection ( 0 / 45 degrees) Ellipse shapes: 4 to 60m (dimetric axis). Circle shapes: 1 to 15mm. Made from transparent, orange plastic. The rate of transparency allows to see the drawing medium below template for easy positioning. Useful tool for students, teachers, engineers, architects, craft and art designers . High quality, brand new item supplied in plastic wallet to protect against scratches and easy storage.