The key difference between subsurface engraving and standard engraving method is that subsurface engraving creates three dimensional images, unlike surface engraving, which is for two dimensions. Using three dimensions greatly broadens the engraving capabilities and ultimately results i more dynamic engravings. With subsurface engraving, there are virtually no limits that can be engraved: 3D or 2D engraving, or combination,
Blanks must have a smooth, polished glass and crystal surface, such as small items like crystal USB drives and keychains, or large items like awards, corporate gifts.
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