Description:
3-Hole Marble Mold
A compact graphite marble mold for quickly forming consistent, round marbles in three popular sizes: 1-inch, 3/4-inch, and 1/2-inch. The three-cavity block lets you match the mold to your gather for better control and repeatability, helping you shape smooth spheres with minimal finishing. Ideal for lampworking practice, production runs, and making matching sets.