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How can i interpolate a circle on 6 points, which aren't fit on one circle?

By Bálint Bruckmann-Dorn on 28 Sep 23:59 2 answers 816 views 0 comments

On the picture the middle of the small circles don't touch the big circle because of the interpolation.

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Square

2 answers

  • Debbie Barnhouse
    Debbie Barnhouse about 2 years ago

    If I get what you're asking, you are wanting to find the circle that would have the centers of each circle on it's circumference...?
    What I did, is copy your image to my Autocad and drew the random circles over the top of yours as close as I could (since I didn't have your exact drawing).
    Then I started by setting my osnap to center only. Then I started the pl (polyline command). I selected my start point as the center of the first circle, then I typed S (for second point) and then selected the center of the nearest circle, then I selected the center of the third circle, then I typed in S again and picked the fourrth circle then selected the fifth circle, then S again and selected center of 6th circle and then I selected the first circle as my end point and it created this circle.
    Now, this won't always make a true circle if you have extreme random points, but at those times it will be more of a cam like appearance.
    Is this what you were wanting? Or am I way off base here?

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    circle.pdf, 3.07 KB
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  • Debbie Barnhouse
    Debbie Barnhouse about 2 years ago

    Wow, so sorry. I forgot one important thing... duh...
    When I typed in pl (polyline) and then selected my first point, THEN I typed in A (arc), then I typed in S (second point).
    You really need that A. My bad.

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