Gaunt construction question

Zam I Am

New Member
So, I am trying to make gaunts within this week, and I need to know, can you put plaster casts inside the oven at 275 degrees without it cracking or getting damaged? I am trying to "displace" the amount of sculpey needed and keep an internal ring so that the sculpey doesn't collapse in the oven.

Zam I Am
 
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