Guilloches/Fine Line PatternsFine (intricate) designs consisting of interlaced continuous lines arranged in geometric patterns. Security printing composes designs of guilloches or of other fine line patterns, with the aim of raising the barrier for re-origination and reproduction. They are often combined with rainbow colouring.
Commonly used guilloche/fine line pattern types:
positive guilloche pattern (area between lines unprinted, lines printed)
negative guilloche patterns (area between lines printed, lines unprinted or reserved-out)
single coloured and multi-coloured guilloche patterns.
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