“Graal is the process of creating images on a glass bubble by building up layers of contrasting colors and sandblasting through them, to reveal the layers below. Masks are applied to resist the sandblasting so that images appear on the surface of the bubble.”

   -Robert Mickelsen

Want to see the Mickelsen video podcast?../../../../Podcasts/Entries/2007/2/27_Mickelsen_on_Creativity.html
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