brick seamless background

In this tutorial we’ll learn how to create a brick seamless background using the Pattern Editing feature, which is available for the users of Adobe Illustrator CS6 or CC. For more realistic effect we use some manual techniques, create and apply a vector texture.
http://vectorboom.com/load/tips/tool/how_to_create_a_brick_seamless_background_in_illustrator_cs6_cc/17-1-0-473