Notice the notebook where I took copious notes of what I was doing so, the next time I use this method, I won't have to work it out from scratch again!
Here are the other 7 rows waiting to be sewn.
And here they are all sewn and back on the table in their piles waiting for the start of the horizontal sashing.
Here's how much thread was left on the reel after doing all that stitching:
I do have plenty more thread!
And now for a mystery. I don't know what this dark mark is.
It looks like oil but it can't be oil as my machine doesn't need oil and therefore doesn't get oiled. (How many "oils" can you get in one sentence! LOL) Whatever it is, I'm hoping that it will come out in the wash!