1. This tutorial will show you how to make your own photoshop patterns. Make a new file with 4x4 pixels in dimensions. Select the zoom tool. Right click on the background and select fit on screen. This will zoom your file to the limit.
2. Select the rectangular marquee tool.Select "Fixed Size" for the Style in the marque options. Choose 2px for width and height. Click anywhere in your file, it will make a 2px by 2px selection. Use the arrow keys to align it in the center (see picture for details), fill your selection with black.
3. You are now ready to define the pattern. Go to Edit>Define Pattern...Name your pattern anything you want. Make a new file (about 300X300 pixels) and go to Edit>Fill.. From the Use box select Pattern and from the Custom Pattern box select the big black dot that we just created, click OK. Your layer is filled with pattern.
