I just realised that I forgot to post a picture of two blocks that come before the Waterwheel.
This was the first block I came to realise that I could take a “shortcut” with some block patterns.
In the original pattern, the bannerets in the four corners (light turquoise) consist of four triangles, all similar in size. As you can see, I “combined” two of them, having thus two small triangles and one triangle which is double the size of the others.
Now I am looking out for such shortcuts because I think less seams will do my small 4,5″ blocks good.