Cartoon - The name for the working drawing for a stained glass design which contains all the cutlines. It can also contain paint lines, color, grain directions, piece numbering, an other information. It is essentially the blueprint for the work.
www.thestorefinder.com/glass/library/terms/termsC.html

Tomkinson's Stained Glass Windows Antique Stained Glass Cartoons. Stained Glass Cartoons are the original drawings by the Artist used as a template for Stained Glass Windows. ...
www.vitraux.co.uk/cartoons/cartoonsmain.htm

A full sized cartoon was drawn for every "light" (opening) of the window. A small window might typically be of two lights, with some simple tracery lights above. A large window might have four or five lights. The east or west window of a large cathedral might have seven lights in three tiers with elaborate tracery. In Medieval times the cartoon was drawn straight onto a whitewashed table, which was then used for cutting, painting and assembling the window
http://en.wikipedia.org/wiki/Stained_glass

In Switzerland, the first symptoms of a renewal are found in 1895, thanks to the competition opened for new windows in the Cathedral of Saint Nicholas, Fribourg. A Polish artist, Joseph Mehoffer, won the contest. The setting of those windows is a decisive date in the history of modern stained glass because they announced a renaissance on all sides. They were installed between 1906 and 1935. (...)
The American artist, Benjamin West, provided cartoons for Salisbury Cathedral (...)
http://www.stainedglass.org/html/SGAAhistorySG.htm