...anodized spun aluminum?
...spun copper?
...buy cast zinc parts and apply silver leaf?
--
Timothy Juvenal
www.tjwoodworking.com
What about painting, that's the usual way to change colors on lamp or
lighting parts, or else you will have to get the pieces and build them
yourself maybe ??
Maybe a place like Miller or google for others, good luck.
http://www.lightingparts.com/millerpdf/87.pdf
Have fun and take care
Leo Van Der Loo