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Printing with light
Cyanotypes are one of the world's earliest photographic processes.
They are made with two chemicals that are exposed in the sun
and rinsed in water, producing deep blue tones.
4
Expose to the sun. Timing can vary from a few minutes to several hours depending on the intensity of the sun and the desired effect. For sharper images, hold objects flat using clips and a sheet of glass.
5
Rinse
Wash the exposed paper in water and watch the colors turn as the image is revealed. A light image will emerge on a blue background.
6
Dry
Hang the print to dry. The blue colors will darken and set.
1
Measure and mix
Blend a solution of iron compounds and distilled water to create a light sensitive emulsion.
2
Brush
In low light, apply the emulsion to watercolor paper using a wide brush. Let it dry in a dark place.
3
Compose
Arrange foraged plants to create a composition. Any object that blocks light will leave an impression on the paper.
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