The first drawing was just me trying out some patterns. Most of it is improvised so it turned out really crowded as I kept having to cover up my mistakes:
http://i.imgur.com/uFANdc3.jpg
After some doodling and figuring out cool new patterns I started working on my piece de resistance. This one took about 30 hours to complete and except for the circle in the middle it's completely free-hand:
http://i.imgur.com/GW0WoV4.jpg?1
And a close-up so you can fully appreciate how little of a life I have:
http://i.imgur.com/w4bqmh9.jpg
After these first two I decided it was time for something different. I've been really into calligraphy lately so I wanted to incorporate that into of my drawings. Here's the result:
http://i.imgur.com/v9C47rY.jpg