Among the projects shown are several examples of Mr. Heatherwick's "Spun Coriolis" chairs, limited-edition metal seats that spin 360 degrees on rounded axes (New York's Museum of Modern Art recently acquired one).
Following a freedom of information request from the BBC for a copy of the "anonymised examples" shown to the chancellor, the Treasury has now disclosed one sheet setting out three "illustrative" cases provided to him.
And examples of ancient silk garments, accessories and textiles are being shown outside China for the first time as Nottingham Castle hosts the Living in Silk exhibition as part of the East Midlands' Cultural Olympiad, the council said.