More filler materials for carvings, etc

Recently there was a discussion here about filling carvings with solder. While looking on Amazon to reorder some of the Alumilite stuff I use occasionally for mold making, I noticed that they have copper, gold and silver powder that can be mixed with various media. It’s cheap enough to experiment with if anyone is looking for that kind of thing to do to a carving or tracing. Search for Alumilite on Amazon and it’s on the second page or so. Not Prime, though, so shipping will be extra. I’ll probably order some and try it the next time I have to do an Amazon order for something else that I really could live without but lust for.