Hi, piginapoke;
I think your Shanghai Tower skyscraper is an exciting project and I wish you the best success with it.
You probably know of the Turning Torso building in Malmo, Sweden, but if not, perhaps this may be of help.
Bygg din egen Torsomodell! - Bostad - Sydsvenskan - Nyheter dygnet runt
Thomas
(another Kate Bush fan)