The medium helps the paint fix to a surface, and the pigment gives it its color. However, as anyone who has left a bottle of acrylic model paint on the side for a while, it has a horrible habit of ...
To finish off, the cured model is injected with acrylic paint. Nothing special here, just craft store acrylic in a syringe. [Andrew] seemed to prefer a thicker paint; we don’t want to second ...