Exam Board: any Level & Subject: GCSE and A-level Step-by-step practical guide to the basics of technical drawing. This covers all of the basic drawing techniques, rules and styles. It builds up the level of difficulty gradually through simple practice drawings. Contents include standard symbols, isometric, oblique, orthographic, thick/thin lines, dimensioning and the creation of objects using geometry. The skills developed will cover you for the majority of technical drawing areas for engineering, construction, architectural or other design fields.