Tā wèi érzi de shēngrì dìng le yī gè kǒnglóng zàoxíng dàngāo.
She ordered a dinosaur-shaped novelty cake for her son's birthday.
Tips
usage
造型 means 'modeling / shaping,' so 造型蛋糕 is a 'shaped cake' - anything more elaborate than a round or rectangular one. Common at children's birthdays and weddings.