1. Download the pattern_it.zip file.
2. In Blender, navigate to Edit > Preferences > Add-ons
3. Click Install, and find where you downloaded the zip file. Then hit the Install Add-on button.
4. In the sidebar panel, (shortcut key N), you will see PatterIt, click on it.

Change Log:

• Version 1.0.7: Added Blender 4.4x support.
  
• Version 1.0.6: Fixed an issue that could cause a pattern to not be created  in blender 4.2x.
• Version 1.0.5: New shapes and patterns are available.
• Version 1.0.4: Added new basic shapes and patterns.
  
• Version 1.0.3: Added a new star style basic shape with customizable angle count, inner and outer radius and related patterns.
  
• Version 1.0.2: Adjusted some text description.
  
• Version 1.0.1: Added Blender 4.2x support.
  
• Version 1.0.0: Initial release.