This week's block is not too bad. Lots of practice available for square-in-a-square and 1/2 square triangles.
The only tricky thing is that middle 1/2 square triangle. If you look at the pattern, you'll see that the middle triangle of each side of the outside border is a rectangle! Not a square! Sadly, I didn't see that until a little later, but I was able to cheat and avoid re-doing those squares. Since I cut my squares 1" bigger than the finished size instead of 7/8" that proved to be enough wiggle room to cut the rectangles out of the same pieces I cut the squares from. (Does this make sense??)
Here is everything with the 1/2 square triangles sewn and trimmed. Notice the narrower middle triangles but also note that the sewing line still runs from corner to corner. I also started the square-in-a-square merry-go-round for the centre.
Here the triangles are sewn for the outer border and you can see the square-in-a-square continues for the centre.