This unusual method of forming holes in the glass not only allows you to do without a glass cutter, but provides the ability to shaped cut-outs and, thus, the details of sheet of different thicknesses.
After application to glass need lines take an ordinary soldering iron and touch the edge of the glass with a hot soldering tip is formed with a hairline fracture “lead” on any curve, but would not stop the touch of the soldering iron.
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