It's a very easy pattern, but two things made this difficult. First, the 14 repeats of identical simplicity in the beginning was boring me out of my mind. Now that it's finished, I can see that it really works well with the edge, but... too boring.
The other problem was the yarn, Cherry Hill Suri Alpaca. I don't know if this is characteristic of this type of alpaca, but it is a very stiff yarn. Very difficult to manage. If the stitches slip off the needle, they don't stay in shape. They just immediately unravel. Not to talk about knitting nupps. They can be bad enough as it is, but become disastrous with this yarn. All the stitches and yo's just fly apart.
But enough complaining. The process was a little hard, but I think the result speaks for itself: