Water-Based Pigments, ContinuedCasein finishing Paintings painted in casein have a matte or semi-matte surface finish. Toachieve a light gloss on the surface of a casein painting, lightly rub thesurface with a clean, dry, soft cotton ball.SpecialequipmentSpecial equipment used to create special effects consists of scraping tools,paper towels or sponges, toothbrushes, atomizers, salt, stencils, or maskingfluids. Experiment with each of these tools.SCRAPING TOOLS: Scraping tools remove pigment from the paper surfaceafter you apply it. Scraping tools leave distinct marks according to the typeof tool. Scraping tools include knife blades, razor blades, pins, nails, sawblades, palette knives, and fingernails.PAPER TOWELS and SPONGES: Paper towels and sponges soak up excesspigment and water leaving images all their own. For an interesting effect,crumple a piece of paper, partially uncrumple it and dab it into the pigmenton the paper surface.TOOTHBRUSHES and MOUTH ATOMIZERS: You can create spackledeffects of all intensities with a toothbrush or a mouth atomizer. To use anatomizer, place the straw end into a cup of pigment and blow into themouthpiece.Figure 1-31 shows a mouth atomizer.Figure 1-31.—A mouth atomizer.Continued on next pagel-60
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