An article and a component are provided. The article includes a base portion arranged and disposed to be positioned within a component, and an arrangement of apertures formed in the base portion, each of the apertures extending through the base portion. The arrangement of apertures is arranged and disposed to provide shadowless cooling of an inner surface of the component. The component includes a body portion having an inner surface and an outer surface, the inner surface defining an inner region, and an article positioned within the inner region, the article comprising a base portion and an arrangement of apertures formed in the base portion, each of the apertures extending through the base portion. The arrangement of apertures is arranged and disposed to provide shadowless cooling of the inner surface of the body portion. Also provided is a method of cooling a component including an article positioned therein.