I mixed black and white tempera paint together to make a gray a bit darker than Neutral Gray and painted it on the panel lines with a thin brush. When dry I wiped the excess off with damp paper towels then sealed it with a sprayed on coat of Future.
I mixed black and white tempera paint together to make a gray a bit darker than Neutral Gray and painted it on the panel lines with a thin brush. When dry I wiped the excess off with damp paper towels then sealed it with a sprayed on coat of Future.