Advice On A Mold For Casting A Head Sized Object

[ellen abbott]

This is a description that I received from Henry Halem:

The large molds are made in pieces, usually a large base piece and then
smaller pieces that are usually pinned in with steel pins. The Czech casters
that I have known do not use wax and therefore must remove the sculpture that has been invested by having sections of mold come apart. Remember now, when they design an object or sculpture if you will they have an idea of how it can be invested. I have seen piece molds that have had a brick put on the small piece that had been wedged in with pins in order to prevent it from floating when the glass reached temperature.

He went on to describe the glass they use. But, that glassmaking factory closed. I have never seen a glass that acted as he described. It was pretty special.

Marc (Ellen's tech guy)