08-05-2020, 02:33 PM
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Master Modeler
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Join Date: Aug 2005
Posts: 556
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I doubt this is a variation except that the person trimming the books didn’t push the stack up against the frame squarely and trimmed it too large. Books like this are cut on a guillotine cutter. One operator will cut stacks of them together. All it takes is one operator to set the machine slightly differently from the next and one set will be slightly larger—or smaller—or crooked.
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