Old 07-28-2013, 07:26 AM
  #4  
Caroline S
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Join Date: Jan 2011
Location: Sierra Vista, AZ
Posts: 3,992
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I add the length of the width of the border plus a couple of inches. In other words, if your border width is 4 inches add 4 inches to the length plus 2 inches. Does that make sense to you. The formula works for any size mitered border.
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