Technical illustrators create detailed images and diagrams for product documentation using hand-drawn and computer-aided design techniques. They research products thoroughly and consider their audience to create accurate and informative illustrations. Technical writers may collaborate with illustrators to ensure accurate representations. Educational paths vary, and technical illustrators may work in various industries or be self-employed.
A technical illustrator creates detailed images and diagrams for assembly manuals, maintenance guides and other important documentation that comes with products and machines. The illustrations are drawn by hand and with the aid of computer-aided design (CAD) software to render the most realistic and informative figures. Some technical illustrators create very specialized drawings for specific systems, such as automobile or aircraft engines, while others create general instruction manuals for consumer products.
Before starting a project, a technical illustrator usually conducts extensive research on the product or process they wish to represent. It is important for the illustrator to understand what all the component parts do and how they interact with each other. When creating a maintenance manual for an air conditioner, for example, the illustrator needs to study the movement of the fan blades, the components of the electric motor and the assembly of pipes and coolant tanks. By learning how the air conditioner works, he or she can accurately describe internal structures and explain through pictures how different parts move.
A technical illustrator considers his audience when putting together a manual. Diagrams to be used by engineers or other specialists are usually very detailed and explanatory, while assembly guides for consumer products such as tables and chairs are simpler and easier to understand. Depending on the type of illustration and the amount of detail required, an illustrator may choose to sketch a drawing with a pencil or use CAD software to represent a dynamic three-dimensional model.
For diagrams that come with instructions or textual descriptions, the technical illustrator works with a technical writer to ensure accurate representations. The order in which the drawing and instructions are prepared depends largely on the preferences of the writer and artist. Some technical illustrators prefer to draw diagrams to accompany the text, while others draw pictures first and let the writer fit in the information. In many cases, the writer and illustrator work side by side to help each other. Some highly skilled technical illustrators are also writers and can create all the content for a manual or guide independently.
A person who wants to become a technical illustrator can follow one of many educational paths. Some professionals hold bachelor’s or higher degrees in graphic design, art, or drawing. Those who create manuals for heavy equipment and automobiles often have mechanical engineering backgrounds. A talented technical illustrator can apply for positions in factories, retail corporations or consulting firms. Some professionals are self-employed, offering freelance design services to different clients on a contract basis.
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