That jig is very easy to make. Just a few toothpicks (or cocktail sticks) and styrofoam. The sticks are splayed outward and the tension that causes fixates the model.
After primer I sanded the model to make it smooth. Nevertheless the layer of blue is not as smooth as I wanted. Also, depending on the light used it is a bit translucent/uneven. So I think I will lay down another layer.
