The way it was written felt like we were at an art exhibit and you were explaining your piece from a designers perspective. The tutorial had a nice flow to it. Im a beginner myself with only a basic familiarity with all the features. I enjoyed and followed the tutorial with no problem. The intermediate should have no problem with this exercise. Yes, it would better be classified as an Exercise. e.g., This is how it was done now using similar techniques try this exercise on your own.