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Post by coopdad on Feb 1, 2010 9:27:56 GMT -5
This "tutorial" is how to simulate rust using...real rust. First, grab a plastic container and throw in a little water, a few nails or anything you find that is rusty and maybe some salt. Set the container somewhere where it won't be knocked over and can slowly evaporate (mine is under my deck). It is also a good idea to partially cover it so leaves and bugs stay out. After a while, the water will turn "nasty" and eventually evaporate leaving a nice layer of rust. Pour out the rust powder into a glass jar. On to the rusting... paint the part you want to rust a brownish color and let it dry. Then dip a paint brush in thinner then into the rust powder. Wipe it onto the part. Do not worry that it doesn't look covered, as it dries the rust shows up. I have found that the more you scrub your brush into the paint below, the darker the rust becomes. The thinner actually melts the outer layer of the paint and becomes a mixture of rust powder and paint. Yes, you can "rust" parts painted with acrylic paints but the thinner does not melt the paint so just rust sits on top of the paint (making it easy to accidently rub off)... see the above photo. Alcohol used in place of the thinner will melt the acrylic. Since rust is made up of many colors you can experiment with adding a little colored chalk to the jar to make other colors. Why not make 3-4 bottles of rust, each a different color? Hope this helps and post pix of your "rust". John
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