What would you define as plastic then?
Or maybe share some source claiming epoxy isn’t plastic?

How is that not plastic?
Carbon fibre without plastic is just a hairy string
And with silicone I don’t even understand where the confusion is coming from? What else would it be?

Also Carbon fibre parts and silicone sextoys and cable shielding

I think the best for the artist is buying physical copies from their own homepage. Probably followed by Bandcamp