paper [origami] is far easier to fold back and forth, but with fine
silver foil (which I roll out myself) I could (1) risk metal
fatigue, and (2) not be able to get the creases out [snip] Does it
make sense to glue paper to my silver foil, do my origami, and then
burn the paper away?
This is sheer speculation on my part, perhaps some others have done
this and know, but what the heck, I'll jump in just for the fun of
Why not use thin silver that isn't *so* thin as to need backing? I
wonder if the silver foil being as thin as that might not
potentially be fire stained by sulfur compounds in the paper if you
burn it off. Surely the foil will be dirtied. How would you clean it?
I understand you'd prefer to be sure of the outcome in advance, but
you could try on a very small piece of scrap and find out. - just for
the fun of it.
If you do need to anneal something as thin as foil, why not do it in
a kitchen oven or in a toaster oven? Temperature will not get out of
hand and metal that thin might respond, at least adequately.
If you don't want creases then I suppose you don't want creases, but
fold-forming makes good use of them. If you aren't aware of the many
fold-formed patterns do a search on fold-forming and Charles
Lewton-Brain and see what people have done with that design element.