Here's one that is very similar visually but done sideways http://www.garnstudio.com/lang/en/vi..._id=10&lang=us
It's simple and comes out fantastic without much effort. I made it for myself but GD took it over so I'm on my second one. I used Lion Brand Chunky, casting on 31 sts on size 11 needles with a headband length measurement of 20 inches. Perfect for teen or adult head without slipping down.