Gouache resist is kind of magic.
To make a black and white image you need to block out everything BUT the areas you want to remain black using solid white gouache.
I begin with a pencil drawing on trace. Then transfer it to sturdy, smooth,
watercolor paper. You need something that can stand up to being wet and rubbed a little.
close up of the thickish white gouache on paper. The lighter areas are unpainted paper.
Once the gouache is “dead” dry, use a wide foam brush to apply undiluted India Ink to the whole piece. The ink fills in every area of unpainted paper, dying it an indelible black.
The white gouache design is still visible under all the ink
washing the white gouache off a different piece.
Once the paint is removed the design, originally painted in white gouache,
A few other examples of B&W gouache resist images.
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