I have discussed branch formation and style in deciduous trees at club workshops and demos. I try to dispell the myth that old trees should be styled with drooping or horizontal branches. Take a look at very old trees and while there are horizontal branches, by far the majority of movement is still vertical. The key to creating old looking branches is dramatic changes in angle and good taper. I hope with this post and with regular updates to go some way in achieving what I am trying to explain.
This Hawthorn is currently 8 inches (21cm tall.