Took a fairly long time because I don't look at the puzzle picture as I am doing it--sometimes because of my screen size. This puzzle brings back memories. My sister and I had a set like this (wooden ones) which we finally gave to my great niece for her children. The blocks were at least 70 years old then.
That would drive me crazy! I don't look at the puzzle picture as I am doing it. More challenging! However, I don't do fancy cuttings. I have always done the "classic" and not with too many pieces--because of my screen size.