I meant to take photos of each set of blocks along the way, but every time I actually thought about taking the photos, it was too dark!
Here are my 30 blocks, all put together:
I didn't realize until I took this photo how much of a dividing line appears on my diagonal from top left to bottom right. Oh well, it's all sewn together and I'm not about to rip out all those seams!
Now, I just need to decide how to finish it.