Use the right colors and the right layering and painting techniques to recreate the look of aged stone, whether you're making a few simple rocks or a fake stone statue.
Things You Will Need
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Make some cuts and breaks in the Styrofoam to distress it. Snap off pieces with your hand. Use a craft knife to cut small cracks and gouges; these will have the proper texture of broken stone once painted.
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Give the Styrofoam a coat of acrylic spray primer; this will ensure that the subsequent layers of paint stick to the material with an even coverage. Let the primed Styrofoam dry according to the manufacturer's instructions.
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Spray the Styrofoam with a layer of light gray spray paint. Let it dry.
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Mix a solution of 1 part dark gray acrylic paint and 1 part water.
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Work some dark gray acrylic and water mixture into the cracks and crevices in the stonework using the rag.
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Apply irregular splotches of dark gray paint (with no water) using the plastic sandwich bag in place of a brush. Crumple the bag slightly to get the proper texture.
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Run the feather in randomized, semi-swirl patterns through the wet, dark gray paint to create marbling lines.
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Spray the Styrofoam with a layer of varnish to give it sheen, resembling the appearance of polished marble.
The Drip Cap
- When it comes to fake substitutes for real stone, Styrofoam is a classic material choice used widely in stage and cinema productions.
- Use the right colors and the right layering and painting techniques to recreate the look of aged stone, whether you're making a few simple rocks or a fake stone statue.
- Spray the Styrofoam with a layer of light gray spray paint.
- Work some dark gray acrylic and water mixture into the cracks and crevices in the stonework using the rag.