I’ve already got the pros working on it! 
Im a bit unsure but my prints keep failing. I’m going to check for underextrusion as pointed out, does look like it. Strange Cura does not show this by default, I had to go into the menu and enable visibility of that option.
Small world indeed! Grimstad is located in the very south of Norway, but I’ve visited Trondheim once for work a couple of years ago.