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    Will give that a go, thanks.

    Will give that a go, thanks.
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    There seem to be two problems, getting the larger...

    There seem to be two problems, getting the larger copper piece to the same temperature as the smaller brass piece, and a layer of oxide forming on the copper.
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    I am soldering a small brass piece to a larger...

    I am soldering a small brass piece to a larger copper piece, so the brass gets hotter than the copper (since the rest of the copper acts as a heat sink, because copper is a good conductor). I...
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    Soldering brass to copper

    I am being spectacularly unsuccessful trying to solder brass to copper. The issue seems to be that the copper oxidises very quickly (using borax flux) so the solder flows onto the brass but not the...
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    Very nice, why the gum leaf?

    Very nice, why the gum leaf?
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    Maybe try very lightly sanding (e.g. 1200 or...

    Maybe try very lightly sanding (e.g. 1200 or higher grit) the anodised aluminium sheet before sublimation printing.
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    "Commercially available with lugs," I think you...

    "Commercially available with lugs," I think you can get from DIY castings dot com.
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    Manchester Minerals, search for Facet Rough...

    Manchester Minerals, search for Facet Rough Emerald.
  9. IMHO (which is not as humble as it should be),...

    IMHO (which is not as humble as it should be), moissanite is fundamentally a diamond imitation, and you wouldn't expect to see a diamond that big. So if you do see someone wearing a stone as big as...
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