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What is the bias, exactly?

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    What is the bias, exactly?

    My name isn’t Old Newbie for nothing. The only way I know I am dealing with the bias is when the fabric is stretchy. I do not have an understanding of what creates that stretch. I have made a simple diagram of fabric, haha.
    77C33A57-B5FC-4131-B57E-48B100A75BDB.jpg

    Which line (red,green,or yellow) is with the grain? Which is bias?
    Is against the grain the same thing as bias?
    Thank you.
    Last edited by Old Newbie; July 17th, 2019, 07:44 AM.

    #2
    Re: What is the bias, exactly?

    Actually there two places where you have straight grain. One runs lengthwise of the fabric parallel to the selvage (red line). The other straight grain (called cross grain) runs across the width of the fabric (WOF) from selvage to selvage (green line). The WOF grain has a little give to it, where the straight of grain running lengthwise has less give, but contrary to what many quilters believe, they are both straight of grain.

    True bias is a 45 degree angle (yellow line above) and has a lot of stretch. It is perfect for making bias binding for anything that has a curve. Many quilters use only bias binding because it is believed that it wears better after repeated use and washings.
    Last edited by Bubby; July 17th, 2019, 08:56 AM.
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    Scottie Mom Barb

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      #3
      Re: What is the bias, exactly?

      Your yellow line is the bias which is on a 45 degree angle.

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        #4
        Re: What is the bias, exactly?

        "Is against the grain the same thing as bias?"

        And the answer to your last question: the term "against the grain" is seldom used in quilting, but often used when referring to slicing meat LOL. But the answer is "against the grain" would be the same as on the bias when referring to fabric.


        BTW, love your diagram!

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          #5
          Re: What is the bias, exactly?

          Originally posted by Caroline T. View Post
          the term "against the grain" is seldom used in quilting, but often used when referring to slicing meat LOL. But the answer is "against the grain" would be the same as on the bias when referring to fabric.
          As a new Sous Vide addict, I'm making delicious and tender work of some very tough cuts of meat, all of which still need to be cut "across the grain." It didn't even occur to me that "across the grain" isn't a quilting term.
          Toni ... If I keep sewing long enough, will they make their own dinner?

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            #6
            Re: What is the bias, exactly?

            Ha! I also have this problem with slicing meat”

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