Technical illustration requires a different skill set than other types of graphic work, in the main, the end result must be an essentially accurate representation of an object, which must be depicted in such a way as to remove all ambiguity of both shape and structure. The illustration may be simplified to increase clarity, but it must include all the information needed to fulfil its function. All essential visual clues must be present but all distracting and irrelevant content should be suppressed or removed completely.
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When dealing with illustrations intended for instructional use, simplification must be carefully considered. It is easy to over simplify a diagram by following a client’s instructions too closely. The client, who has often designed the item, may be so familiar with the product that they make assumptions based on their intimate knowledge. It must be remembered that a user, seeing the item for possibly the first time, may have little or no foundation at all for any understanding of the product in question.
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