Cutting of glass panels by hand following paper patterns with a glass cutter (steel wheel) or diamant.
Preparation of paper patterns for glass cutting – above:Windows for St Andreas, Cologne by Prof Markus Lüpertz
Sorting of paper patterns according to glass colours – above: Windows for Catholic church in Bröger by Tobias Kammerer
Cutting of the glass along paper patterns
Positioning of the cut glass – above: Windows for St Andreas, Cologne by Prof Markus Lüpertz