Concerns for the well-being of our planet can promote avenues for an
alternative resource to printing. Vegetable-sourced colours do represent
a realistic alternative -- using berries, leaves, flowers, fruits,
roots, bark and insects. A mordant (we used alum) can help the dye
colour become permanent.
The screen-printing process offers artists a way to produce multiples
without the investment of a press and other large apparatus. The basic
equipment consists of the screen (a wooden frame with a fine-mesh
fabric stretched over it) and the squeegee. This is a rubber blade set
in a handle with which the organic ink is pulled across a prepared
photo-based screen. The mesh transmits an even coat of ink which
adheres to the paper below the screen.
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