This 9x12 stencil is a great way to get some pattern down in your artwork.  

The Story Time stencil by Seth Apter features grungy hand-drawn marks and words that are perfect for adding layers of texture into your own work. You can use the entire stencil, but it was designed so that you could isolate individual marks and areas, allowing you do truly customize the stencil in your art journaling, mixed media artwork, and more. Product Details: 9"x12" 7 mil mylar is thick enough to be durable, yet thin enough for a seamless look in your art Made in the USA