And now it doesn't want to come out at all, lol.
Time to go one step deeper and make a silicone mold!
Now I'll print a mold in which I'll cast silicone to make a mold in which I'll cast plaster to make a mold in which I'll cast... man this is getting a lot
@niplav Oh yes, glass!
It's uranium glass which I ground up, filled in a mold and heated until molten.
https://gigabecquerel.wordpress.com/2022/03/08/czech-this-out/