Thread: Very math challenged! Help!
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Old 03-19-2011, 07:53 PM
  #2  
charmpacksplus
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Join Date: Jul 2009
Location: Lafayette, Louisiana
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You need 4.5 inch squares to make a nine-patch that finishes up at 12 inches. Formula is 12 divided by 3 = 4, plus 1/2 inch for seam allowance. Unfinished, your block will be 12.5 inches.
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