Like with the graal technique which was developed earlier by Orrefors, a colored layer of glass is first encased by a clear layer. Onto this “blank” or “stock” piece of glass the initial design is then applied. In the early days this was done either through engraving or etching using acid.
Later, this has been done almost exclusively by sandblasting the motive into the glass. This is then enclosed by clear glass and it is heated again and blown into its final form and size.
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