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.
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.
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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