Below are pictures of a scratch built 1/5th scale Supermarine Spitfire MK 1 by an English model builder. It's hard to imagine such infinite detail can be accomplished even with super human devotion and dexterity. The pictures and accompanying text are by the model maker, David Glen.
Detail of website http://hsfeatures.com/features04/spitfiremkidg_1.htm
Detail provided by Scout parent