Create Unique Cast Glass Pendants Be the envy of all your fashionista friends with cast glass pendants. Fill heart pendant molds with glass frit, scrap and powders to create one-of-a-kind cast glass pendants sets. Try combining powders to create a marbled look or accent with dichroic. The possibilities are endless Ideal for production studios - get 4 pendants with each firing. Mold measures 5-1/4" x 5-1/2" and creates four pendants measuring 1-1/2" x 1-3/4" each. Coat molds with ZYP Boron Nitride Spray or casting mold primer before use. Fill weight is 20 grams per cavity.M old casts 4 pendants in 1 firing. Images courtesy of Creative Paradise Inc.