Poster mockups are crucial for graphic designers because they provide a realistic preview of how a design will look in the real world. They help designers visualize the final product in various settings, ensuring the design works well with its environment. Additionally, mockups allow designers to present their work to clients or stakeholders in an engaging way, making it easier to communicate the design's potential and receive feedback before the final print. This saves time and resources, allowing for any necessary adjustments to be made before production.  https://www.brandacle.com