Eujin Pei is the Programme Director for the BSc Product Design and BSc Product Design Engineering courses at Brunel University London. He is a Chartered Engineer (CEng) and a Chartered Technological Product Designer (CTPD). He has worked for companies including Motorola, Inc., LM Ericsson, Sennheiser GmbH & Co. KG, and Rentokil Initial. Eujin is a Member of the Institution of Engineering Designers (MIED), Fellow of the Higher Education Academy (FHEA) and Fellow of the Royal Society for the Arts, Manufactures and Commerce (FRSA). He is a Member of the Design Research Society (DRS), and Co-founder of the Inclusive Design Special Interest Group. Eujin's research interests centres on product innovation, design thinking, design representation and the use of digital prototyping.

James Andrew Self is Associate Professor of industrial design, School of Design and Human Engineering and Director of the Design Practice Research Lab ([...]), UNIST. He holds a doctorate in industrial design and worked for several years within the design industry both in London and Sydney, Australia. Prof. Self is a commentator for Core77, and currently holds Associate Editorships and committee positions for a number of international journal and conference publications. Design works and research contributions include numerous publications, international design awards, patents, articles, design exhibitions, seminars and workshops. Research and design projects include a broad field of interests, from design-driven product innovation to design thinking and design representation. Research and design activities attract funding from various governmental and industry sponsors.

Designing: Process & Thinking. Designing: Process & Thinking. Types of Design Representation. Design Representation, Ambiguity
& Fidelity. Design Representation in Practice. Conclusion. References. External References