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Everything posted by Cherry

  1. Lee, did you also glaze your pot? In the pictures on this thread, it looks like the copper actually melted into the glazes.
  2. I want a coloring book on my computer that uses my own images for the pictures, and a palette of underglazes for the colors.
  3. Bill's final sentence is what I'm aiming for. I realize the differences that various clays and firings have on the end result and I'm not looking for a perfect replication of a color. I too, have spent years on glaze testing and color theory. I'm not trying to invalidate the years of work that potters have done, just move my own in a different direction. I've made a chart of the underglazes I have. I also have a lot of colored pencils. I match the nearest pencil I have to the underglaze, then color in the printed design to see how the colors work together. If they don't, I start over. Colored pencils don't erase well. I'm was hoping to ease the process of designing using an image manipulation program. I've learned that Microsoft's 3D Paint will identify the RBGs from my chart, but won't save a palette of more than 18 colors. Which is more than enough. I'm also, finally, taking the time to watch GIMP tutorials.
  4. RBG refers to the proportion of red, blue and green that are combined to create a color. They're used mainly on computer monitors and the web, but like the effects of different clays on the same glaze, differently calibrated monitors can give different hues, depending on how they are calibrated. It still gives a level of consistency in the appearance of an image, regardless of the maker of your monitor or your program.
  5. Is there a source of RBG values of commercial underglazes? I found one site but it only had the Amaco Velvets. I'm thinking that if I had program with these, I could scan a design into the computer and use "bucket fill" to see how the colors work together.
  6. I also use food coloring in liquid wax. Interestingly, red food coloring, which makes the wax pink, turns turquoise a few days after putting on bisque ware, but stays pink in the bottle. Wilson paste colors.
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