Rolled Plate (figured) Glass
The elaborate patterns found on figured (or 'Cathedral') rolled-plate glass are produced in a similar fashion to the rolled plate glass process except that the plate is cast between two rollers, one of which carries a pattern. On occasions both rollers can carry a pattern. The pattern is impressed upon the sheet by a printing roller which is brought down upon the glass as it leaves the main rolls while still soft. This glass shows a pattern in high relief. The glass is then annealed in a lehr.
The glass used for this purpose is typically whiter in colour than the clear glasses used for other applications.
This glass can be laminated or toughened depending on the depth of the pattern to produce a safety glass.
Read more about this topic: Architectural Glass
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