If you're just after shields and weapons, you're going to be better off using plasticard and brass rods & paperclips. The plastic can be carved into pretty much any shape (I've made some great elven swords with it), and spear shafts & bows will look just as good as what you'd get from GW.
Shields with curves in them is a little harder, but there are curved plastic packages you can find in everyday life (like some coffee cans) that'll work great.
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