The
pattern is a form template, or model (or, more abstractly, a set of rules) which can be used to make or to generate things or parts of a thing, especially if the things that are created have enough in common for the underlying pattern to be inferred, in which case the things are said to
exhibit the pattern. The simplest patterns are based on repetition/periodicity several copies of a single template are combined without modification.
This is a really easy tutorial that needs a basic knowledge of Photoshop. If you want to learn how to create custom Patterns this is the place to be.
OK, let's begin. Create a new document with size 5x5 pixels. You can try from 1x1 pixels to 10x10 pixels large document, but for now use a smaller size document. Make sure is transparent.
The document will be very, very small, so zoom in to maximum.