Creating a net pattern in Adobe Illustrator can be a fun and rewarding task, enabling you to design mesmerizing designs for various projects. If you're wondering how to make a net pattern in Illustrator, you've come to the right place. This step-by-step guide will walk you through the process, ensuring you create stunning results.

Before we dive into the process, ensure you're familiar with the basic tools in Illustrator, such as the Rectangle Tool (M), Polygon Tool (L), and the option to convert shapes to patterns. Now, let's get started!

Preparing the Basic Shapes
To create a net pattern, we'll start by making a simple diamond shape, which will later become our/net pattern block.

First, open a new document in Illustrator. Using the Rectangle Tool (M), draw a rectangle. Then, with the Direct Selection Tool (A), click the top-right corner point and drag it to the opposite side to create a diamond shape.
Creating the Net Pattern Block

Now that we have our basic diamond shape, we'll create the net pattern block using this shape.
Add Lines to the Diamond
To create the net effect, we'll add diagonal lines to our diamond. Use the Line Segment Tool (/), holding down Shift to draw straight lines, and Alt to create lines from the center of the diamond. Draw four diagonal lines inside the diamond, evenly spaced.

Intersect the Lines
With all lines and the diamond selected, use the Pathfinder panel's Divide option to create intersections. This will divide the diamond into smaller shapes, creating the net pattern block.
Creating the Net Pattern

Now that we have our net pattern block, we'll create a pattern using this block.
Prepare the Pattern Swatch









Select your net pattern block, then go to Object > Pattern > Make Pattern. In the Pattern Options dialog box, select 'Tile Type' as 'Grid'. Set the number of rows and columns to 2, and click 'OK'.
Create the Net Pattern
Now, you can apply this pattern to shapes or use it as a fill or stroke for other elements in your artwork. To do this, simply select the pattern swatch in the Swatches panel and apply it to your desired shapes.
With a little experimentation, you can create various net patterns by adjusting the diamond shape, line thickness, and colors. Once you're comfortable with this process, the possibilities are endless. Happy designing, and remember to explore and have fun with Illustrator's many creative features!