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<p>[QUOTE=&quot;Ownedbybear, post: 125041, member: 29&quot;]The paperweight issue is down to the sheer mass of the thing, and the fact it takes a long time for something that dense to cool slowly, which means if it&#039;s not done properly, internal stresses can build. There&#039;s less of a risk on thinner objects, but it can still happen. I suspect yours may have been down to some kind of shock during manufacture or perhaps thermal shock, which might have been exacerbated by poor annealing. The edges of a pattern would encourage it, if you see what I mean.[/QUOTE]</p><p><br /></p>

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