In this tutorial, I'll give you an overview of the free preset called grid maker. It's great for making any type of weaved or mesh patterns. You could use this for tons of stuff, fabrics, basketball hoops, metal fences: the sky is the limit. The preset is set up so it can be animated very easily. Grab the preset here: bit.ly/GI113x
For more training and motion graphics resources, check out thepixellab.net