Reflect the design.
Open a pattern in Illustrator and choose Object > Repeat > Mirror to make a reflection.
Learn how to make a symmetrical pattern from any image. Freelance illustrator and designer Jared Tuttle has shared his process to get you there. Start with his Adobe Illustrator practice file. Then check out the tutorial to build your skills.
Reflect the design.
Open a pattern in Illustrator and choose Object > Repeat > Mirror to make a reflection.
Copy the pattern.
With the graphic selected, hold Shift + Alt (Windows) or Shift + Option (macOS) as you drag to make a copy.
Flip the artwork.
In the Properties panel, click the Flip Vertically button to create a unified composition from the pattern.
Draw a frame.
Drag the Rectangle tool to create a vertical frame. Then drag the live corners to make rounded corners.
Complete the composition.
Assemble sketches and other design elements to create rich artwork.