Old 03-14-2020, 05:16 AM
  #7  
Barb2018
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Join Date: Jan 2018
Location: North Central PA
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As far as I know, most designs are digitized for 60 wt. thread in the bobbin. I've always used this weight and have had no problems. You could sure wind a lot of 90 wt. thread on a bobbin though.
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