Most antique art glass was made in factories, particularly in the UK, the United States, and Bohemia, where items were made to a standard, or "pattern". This would seem contrary to the idea that art glass is distinctive and shows individual skill.

Most antique art glass was made in factories, particularly in the UK, the United States, and Bohemia, where items were made to a standard, or "pattern". This would seem contrary to the idea that art glass is distinctive and shows individual skill.