An illustration is a decoration, interpretation or visual explanation of a text, concept or process, designed for integration in published media, such as posters, flyers, magazines, books, teaching materials, animations, video games and films. Depending on the purpose, illustration may be expressive, stylised, realistic or highly technical. Technical and scientific illustration communicates information of a technical or scientific nature. This may include exploded views, cutaways, fly-throughs, reconstructions, instructional images, component designs, diagrams. The aim is “to generate expressive images that effectively convey certain information via the visual channel to the human observer. Technical and scientific illustration is generally designed to describe or explain subjects to a nontechnical audience, so must provide “an overall impression of what an object is or does, to enhance the viewer’s interest and understanding”. In contemporary illustration practice, 2D and 3D software is often used to create accurate representations that can be updated easily, and reused…