101 Things I Learned® In Product Design

This non-fiction guide offers an accessible, illustrated introduction to product design. It blends psychology, history, physics, ergonomics, and manufacturing into practical ideas you can apply in real projects. Designed for curious beginners and practicing professionals alike, the tone is clear, encouraging, and intentionally pragmatic, aiming to demystify how everyday products are conceived, tested, and refined. Content is presented as brief, illustrated lessons that sit at the intersection of design thinking and practical craft. Each piece explains a concept with simple visuals and concrete implications for real-world work, from early sketches to finished products. The layout supports quick reading, making it ideal for classroom use, workshop warmups, or solo study. Readers move through the material by connecting each idea to how products touch daily life—why a handle feels right, how a product fits into a larger system, or how a design can balance novelty with utility. The combination of concise explanations and thoughtful illustrations helps ideas stick, while a focus on storytelling and argument equips readers to persuade stakeholders and teammates. Concepts covered include body-centered design , systems thinking , cultural aesthetics, materials and manufacturing constraints, and the psychology behind user behavior—presented in a way that makes learning feel approachable