Examine source code of Cat Coinage

{
  "theme": {
    "images": {
      "theme_frame": "catcoinage01.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Cat Coinage",
  "manifest_version": 2,
  "description": "Embossed Gimp image.  Sketch Up import as texture followed by circular extrusions, duplications, flips and turns. Then back to Gimp."
}