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Mastering Difficult Stained Glass Cuts
You're getting pretty good at the basics of scoring and breaking stained glass, but you've run into some problems with difficult cuts that seem impossible. There are techniques that will make difficult cuts in stained glass seem like cutting butter.
A Brief History of Stained Glass
Accounts vary on the earliest use of stained glass mainly because it was invented before recorded history. Some historians claim it was first used as a domestic luxury in the homes of wealthy Romans in the first century. Stained glass eventually gained recognition as an art form sometime in the fourth century as Christians began to worship openly and built elaborate churches to celebrate their religion. Other historians point to evidence in ancient ruins that implicate the use of stained glass in pagan traditions and decor. While we may never know the exact origin of the medium of stained glass it is clear that the spread of Christianity is directly related to the expansion of stained glass across the globe.
How Stained Glass is Made
Stained glass is a beautiful and unique art form that has existed for centuries. Although many different techniques, such as painting on the glass, have been created over the years, the process of making colored glass, true stained glass remains nearly unchanged after all this time. The stained glass making process begins with some basic natural raw materials like sand (silica), soda or potash, lead oxide or lime and one of the various metal oxides to provide the different colors used in stained glass designs. These raw materials, in their proper proportions are then mixed in a large vat and heated to 2500? F turning the mixture into molten glass which can then be processed in a variety of ways depending on the effect desired for a particular piece of stained glass.