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Thread: pinwheel help

  1. #1
    Super Member jemma's Avatar
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    i want to finish with --6 1/2 x 6 1/2 block---what size do i need to start with using the method 2 squares RST sewing all arround the sides then cutting across both diagonals

  2. #2
    Power Poster erstan947's Avatar
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  3. #3
    Power Poster amma's Avatar
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    Add 7/8" but most just add a full inch and then square them up :D:D:D

  4. #4
    Super Member ilovetosew's Avatar
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    That's what I would do too. Start an inch larger and square them up to your finished size.
    Janie

  5. #5
    Super Member sewwhat85's Avatar
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    we have such nice helpers here

  6. #6
    Super Member jemma's Avatar
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    i have 6 1/2 inch pinwheels thank you all

  7. #7
    Super Member plainpat's Avatar
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    I'm using 5" squares with the sew around method to cut down to 5 1/2" pinwheels.Try cutting 6" sqs & see how that works.

    Quote Originally Posted by jemma
    i want to finish with --6 1/2 x 6 1/2 block---what size do i need to start with using the method 2 squares RST sewing all arround the sides then cutting across both diagonals

  8. #8
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    The formula for the sew around the edges according to Ceil is:
    size of block you start with minus .5, times 1.4, minus .5 for the unfinished size.

    So if you start with 6" blocks it would be:
    6 - .5 = 5.5
    5.5 x 1.4 = 7.7
    7.7 - .5 = 7.2 trim to 7"
    Take off seam allowance and it finishes to 6.5".
    HTH

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