Where do elves get metal?

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Wasn't it also implied or stated that Maeglin's and his father Eöl's keen interest in mining and smithcraft was rather looked down on by the other nobles? That it was below their station to go under ground and dig for ore and that they became bent by their labour? It does seem a rather un-Elvish thing to do.

I would assume that the Elves of Middle Earth would trade with Dwarves or Men for ore, metals and metalwork rather than doing it themselves if they had the opportunity.

Like fex Thingol would have the Dwarves of Ered Luin supply his metal and smithying needs. I assume that Thranduil would trade for his fill as well, maybe with the Men of Dale acting as middle men between him and the Dwarves. Almost certainly the Noldor of Eregion would have gotten most of their metals and ore from Moria, even though the Noldor would have been the most keen miners of the Elvish peoples. The Elves of Lindon in the Third Age also had Dwarven neighbours.

The native Wood-Elves would barely use metals, if at all, methinks.