A design change is the modification conducted to the

product Product may refer to: Business * Product (business), an item that serves as a solution to a specific consumer problem. * Product (project management), a deliverable or set of deliverables that contribute to a business solution Mathematics * Produ ...

. It can happen at any stage in the

product development In business and engineering, new product development (NPD) covers the complete process of bringing a new product to market, renewing an existing product or introducing a product in a new market. A central aspect of NPD is product design, along w ...

process. The design changes that happen early in the

design A design is a plan or specification for the construction of an object or system or for the implementation of an activity or process or the result of that plan or specification in the form of a prototype, product, or process. The verb ''to design' ...

process are less expensive when compared to those that take place after it is introduced into full-scale production. The cost of the change increases with its development time. Fundamentally, the design changes can be classified into pre production and post production design changes. The pre-production changes can happen in the

conceptual design Conceptual design is an early phase of the design process, in which the broad outlines of function and form of something are articulated. It includes the design of interactions, experiences, processes, and strategies. It involves an understanding of ...

stage, prototype stage, detailing stage, testing stage. The post -production stage change will happen almost immediately the product is introduced into the production. This might be due to several reasons such as market response, design faults uncovering, design mistakes, not meeting customer requirements, so on and so forth. One of the tools to minimize this type of design change is House of Quality.

See also

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Further reading