Making A Firework Star Pattern Shell

Confessions of a Fireworks Man: "A firework shell which bursts with a ring pattern, a smiley face, or a star pattern can be a unique and creative addition to a fireworks display. Suddenly, after a procession of fairly typical full, spherical shell bursts, a simple ring of stars, or a display of four or five of them fired simultaneously, changes the focus of the attention of the audience. 'Hey, here's something different,' they'll think to themselves."