Re-centering brush origins

Pocket

Half a Lambert is better than one.
aa
Nov 14, 2009
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You know how sometimes a map will get a leak because at some point you tried to move or copy a brush and its origin didn't move with it, and now that origin is outside the map? Yeah, I think I have that. Possibly several instances of it, in fact.

So, is there any easy way to just tell Hammer "Reset every brush's origin to its physical center"?