2012年11月28日星期三

Vegetable-sourced

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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