Cardboard Creature
Cut out the outline of your animal. Cut out long strips of cardboard and place along vertebrae/rib/ other bone structure areas. Hot glue into place.
Make sure you are considering the depth of your project. It needs to be 3D!
Cover all edges with masking tape for a clean line.
Paint a complete base coat.
Then, paint detail and embellish.
Hanging Device or Propping Device On the back of your project, create a hanging device like a wire or a propping device like a cardboard footing.