How do you create custom patterns in Adobe Illustrator?

To create custom patterns in Adobe Illustrator, follow these steps:

1. Create the design or shape that you want to use in your pattern.
2. Select the design and go to the Object menu, then select Pattern and Make.
3. Adjust the settings in the Pattern Options panel to customize the size, spacing, and arrangement of the pattern.
4. Once you are satisfied with the pattern, click "Done" to save it.
5. To apply the pattern to an object, select the object and go to the Swatches panel, where you will find your custom pattern swatch.

By following these steps, you can easily create and apply custom patterns in Adobe Illustrator to enhance your designs.