Greetings, Creating layouts in modern fashion design often involves the use of various technologies such as computer modelling and virtual fitting. These tools allow designers to accurately visualise and test ideas before physical production begins. Importantly, the use of mock-ups greatly improves the quality of the final product because they help to identify potential problems at the design stage, minimising errors and inconsistencies with customer expectations. You can read more about this in an interesting online blog
https://beautyliestruth.com/benefits-of ... ng-design/ which discusses the benefits of using mock-ups in fashion design.