I finally got it!
Vectors as such were familiar to me from before, so making the drawings wasn’t that difficult to understand. What I hadn’t thought about before was the use of groups - one really needs to concentrate to make optimal decisions. I didn’t…
What was diffucult was making the seamles pattern and get it right! I had to do it several times and finally I got it!
Here’s the original:

This is the edited version:

And here the test:

Thanks again for an interesting class!
P.S. I also made this simple pattern and ordered curtains for my kitchen :)
