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© 2022 Martin Krohne
Blueprints, or Cyanotypes, are an old printing process that creates a Prussian Blue monochromatic print. A photosensitive emulsion is painted on paper, cloth, or any flat surface. Once dry, it is exposed to an ultraviolet light source, in contact with a photographic negative or small object. These "Blueprints" are created digitally, carefully matching the color and tonality of the old blueprint, or cyanotype process. Cyanotypes are currently seeing a revival among photographic artists.