Lay wet spaghetti out on wax paper and let it dry into the shape you need.
Then you can paint it and glue it on.
———-
(if you use just a little bit of cooking spray or oil on the wax paper the spaghetti is even easier to get off when it has dried)
If you need those belly shaped curves in the railings you can put a small roll of waxed paper or a bit of plastecene as a mold to drape the pasta over.
steel conduit?
Cut up lengths of black clothes hangers.
Lay wet spaghetti out on wax paper and let it dry into the shape you need.
Then you can paint it and glue it on.
———-
(if you use just a little bit of cooking spray or oil on the wax paper the spaghetti is even easier to get off when it has dried)
If you need those belly shaped curves in the railings you can put a small roll of waxed paper or a bit of plastecene as a mold to drape the pasta over.
soldering wire,you can bend it melt it to any shape or form noce its painted or varnished its solid for the the job you need it for.
I don’t know what design you want to re-create, but metal radiator covers have a type of waffle weave pattern, and are sold individually.