In Illustrator, you can create a custom artboard to help you design and create illustrations quickly and easily. A custom artboard is a great way to experiment with different designs and layouts, as well as to keep track of your progress while working on a project. To create a custom artboard in Illustrator, follow these steps:

  1. In the main Illustrator window, click the New button.
  2. In the new window, enter an name for your new artboard (for example Custom Artboard 1).
  3. Click the OK button to close the new window.
  4. To use your new artboard, open it in another window or panel and click on its thumbnail to see its contents.