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Old 03-08-2015, 08:53 AM
  #16  
dee1245
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Join Date: Feb 2013
Location: South of Chicago, IL
Posts: 322
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I believe I read about it here on the QB, possibly for use as the foundation for paper piecing where the foundation material would not have to be removed. Its original use is for sewer type plumbing outside to filter the dirt from going into the holes of the pvc pipes that are used for water run off for a septic system.
Originally Posted by maviskw
Still haven't found out anything about it. How do you use and and why?
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