Creating seamless patterns has been really easy since Adobe Illustrator's CS6 advance pattern editing. The built in system gives you the flexibility of repeating your tile automatically...

Designing or using patterns with Adobe Illustrator's pattern editor (vs CS6 or newer) has been great and made a creators work process so much easier.

I often get questions on how to edit a vector Illustrator pattern swatch. It is really easy and this post is going to show you how you can edit a pattern's size and color in Adobe Illustrator.