GUILLOCHE


A graphic element in the form of a complex geometrical pattern which consist of repeated thin curved lines formed according to certain mathematical rules. Guilloche elements form rosettes, frames, borders, vignettes and elements of a background pattern. Guilloche elements can be both positive and negative.

     

a                                      b

a — Paper substrate; b — the same. Negative (light-coloured, non-printed lines on the dark background) and positive (dark lines on the light-coloured background) guilloche. Intaglio printing


      

c                              d                              e                             f

c —  Fragment of the background pattern formed by guilloche elements. Paper substrate; 

d — the same. Zoomed fragment. Guilloche. Offset printing; 

e — the same. Front endpaper. Vignette; 

f — the same. Zoomed fragment. Vignette. Intaglio printing


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