I have been doing more and more pattern study. It is an easy way to keep hand and eye conjoined. I stumbled across some books and websites on meditative drawing, tangles, www.tanglepatterns.com There seems to be a bit of a mini art movement that envolves certified instructors and "official" designs. Zentangle being the most organized www.zentangle.com
I use my afternoon commute to work different patterns. A nice bit of time to make small sketches.