Geometric stained glass
Mathematics

The chapel of Saint-Jean-de-la-Croix
The stained glass windows in the chapel of Saint-Jean-de-la-Croix are entirely designed to blend into the background, so as not to draw attention to themselves with overly figurative elements.

The chapel at Andecy
The stained glass windows in the Andecy chapel were created as a reminder of the Cistercian foundations of the Notre-Dame de Vive-Fontaine abbey in Andecy.

Addis Ababa's sandblasted windows
Addis Ababa's sandblasted stained-glass windows have followed the Ethiopian culture's taste for geometry, and interlacing patterns have passed from stone to glass.

The glazing
There are many different styles of stained glass, from the simplest to the most elaborate.