Lean design principles are a set of guidelines for businesses to use when designing products and services. The main focus of these principles is to reduce waste and maximize efficiency in the design process. The goal is to create a product or service that is as effective and efficient as possible. The main principles of Lean design include: focusing on customer value, eliminating waste, continuous improvement, and using data-driven decision making. By following these principles, businesses can ensure that their products and services are designed with the customer in mind, are as efficient as possible, and are continuously improved. Lean design principles are a great way for businesses to ensure that their products and services are designed with the customer in mind, while also maximizing efficiency and reducing waste.