Producing coloured lead lights for Hagrids Cottage

Throughout the Harry Potter film series, the Hogwarts Bridge extends from the Hogwarts Clock Tower all the way to the stone circle on the way to Hagrid's Hut, featuring a gothic design closely tied to Hogwarts and fitting the Scottish landscape surrounding the Hogwarts Castle. 

Producing Diamond windows for Diagon Alley

The Diagon Alley set constantly changed throughout the film series. Since its construction, walls have shifted, shop fronts have moved and entire buildings have been carefully tweaked, leaning just slightly, to create the street that is seen in the films.