Make shapes. Use fondant roller with blue guide rings to roll out green, blue and 1 oz. reserved white fondant, separately, 1/16 in. thick. Use knife to cut out random geometric abstract shapes. Let dry on cornstarch-dusted surface, about 1 hour.
Use brush and gold Pearl Dust edible accents/lemon extract mixture to paint edges of white fondant pieces. Let dry, about 5 minutes.