static BufferedImage cutOutPixelSet_scale(BufferedImage image, BufferedImage bigImg, PixelSet set) {
  int scale = iround(bigImg.getWidth()/(double) image.getWidth());
  Rect r = pixelSetBounds(set);
  int bw = bigImg.getWidth(), bh = bigImg.getHeight();
  BufferedImage img = transparentBufferedImage(r.w*scale, r.h*scale);
  for (Pixel p : set) {
    int x1 = (p.x-r.x)*scale, y1 = (p.y-r.y)*scale;
    int xb = p.x*scale, yb = p.y*scale;
    for (int y = 0; y < scale; y++)
      for (int x = 0; x < scale; x++)
        if (xb+x < bw && yb+y < bh)
          img.setRGB(x1+x, y1+y, bigImg.getRGB(xb+x, yb+y));
  }
  ret img;
}

Began life as a copy of #1010155