Now when you are done, and hopefully got a good result, you can modify the settings yourself, soo it will meet your specific demands, this tutorial is made on a single box, but if you want to have more details in your scene, it might be necessary to add more objects to duplicate the straws on. In my Football scene as you can see in my gallery, their is 3 duplication objects, one box for the front, a box for chalk line, and a box for the background, for the scene you can see below, it could be a good idea to divide the box in two, because you don't need that many straws in the background, and because of this you wouldn't get soo many faces.