I need some advice from anybody in the silicone mold business or knows somebody in that business. I need some simple molds made to order. Rather simple shapes. Basically molds in the shape of spheres but since the diameters would be 12 inches and larger I would need the spherical shapes to be divided. That way they could be layered like layer cake and then covered with icing and designs. I've contacted several silicone mold companies that specialize in mold for baking but, surprisingly, they are unable to provide such molds. As I stated the shapes of the molds are...