TASK DEFINITION: Translate the given Spanish text to English
PROBLEM: A novel light effect is achieved.

SOLUTION: SE CONSIGUE UN EFECTO LUMINOSO NUEVO.

PROBLEM: In turn, said DLC film can be coated with a decorative metallic film.

SOLUTION: Dicha capa de DLC puede estar recubierta, a su vez, por una capa metálica decorativa.

PROBLEM: An alternate embodiment omits the nipple (150).

SOLUTION:
Una-modalidad alternativa omite el niple (150).