Creating repeating patterns around a circle in Adobe Illustrator can seem daunting at first, but with the right techniques, it's actually quite simple and can result in stunning designs. Let's dive into a step-by-step guide that will help you master this technique.

Before we begin, ensure you have Adobe Illustrator installed and understand the basics of the platform. Now, let's get started!

Creating a Basic Repeating Pattern
Our first step involves creating a simple shape that will be the basis of our pattern. For this guide, we'll use a circle with a spiral inside.

To create this shape, follow these steps:
Creating the Circle

Open Adobe Illustrator and create a new document. Using the Ellipse tool (L), draw a circle with your desired size and color.
Now, let's add the spiral. Using the Pen tool (P), draw a path that starts from the center of the circle to its edge. Then, use the Stroke to Fill tool (X) to convert this path into a spiral shape.
Duplicating and Rotating the Shape

Our spiral is the base of our pattern. To create a repeating pattern, we'll duplicate this shape and rotate it around the circle's center.
Select the spiral and press Command + C (Control + C on Windows) to copy it. Then, paste in place (Command + F on Mac, Control + F on Windows). This will place an exact duplicate of the spiral on top of the original.
Now, select both shapes and go to Object > Transform > Rotate. This will open a dialog box. Type in 30 degrees (or your desired rotation angle) and click OK. This will rotate the duplicated shape 30 degrees around the circle's center.

Creating a More Complex Pattern
Great! Now that we have a basic repeating pattern, let's make it more complex and interesting. For this, we'll add more shapes into the mix and vary their sizes and colors.









Let's use rectangles and circles for this. The process is similar to what we did with the spiral, but with a few additional steps to vary the sizes and colors.
Creating and Duplicating the Base Shapes
Using the Rectangle tool (M), create a rectangle and the Ellipse tool (L) to create a circle. Make sure these shapes are inside your original circle.
Select both shapes and press Command + C to copy them. Then, paste in place (Command + F on Mac, Control + F on Windows). This will duplicate our base shapes.
Varying Sizes and Colors
To make our pattern more interesting, we'll vary the sizes and colors of our duplicated shapes. Select one of the duplicated shapes and scale it down slightly (use the Scale tool - S) and change its color (using the Color panel).
Repeat this process with the other duplicated shape, changing its size and color to something different from the first one.
Now, follow the same process we used earlier to rotate these duplicated shapes around the circle's center. Use different rotation angles to create a more complex pattern.
And there you have it! You've just created a beautiful, repeating pattern around a circle in Adobe Illustrator. Experiment with different shapes, colors, and rotation angles to create truly unique designs. Happy designing!