| Summary: | This book is intended as an introductory textbook for students and as a reference book for designers working in the field of product designing and engineering product design and development. As such, it gives a description of the basic techniques for sketching and rendering of a product in mixed-media using pencil, pen, markers, and pastels which are versatile and faster to work with compared to water/poster colour and air brush. Topics such as Materials, Basic of Drawing, Shading, Colouring, Sketching, and Rendering with original samples of drawing are illustrated in order to show the step by step techniques of sketching and rendering. The basic aspects of perspectives, shading, and various types of colour surfaces, apart from using the right materials are fundamental and important applications in creating good drawings. This book aims at providing the reader with fast sketching and rendering methods ranging from simple basic geometrical shapes to consumer products.
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