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Tips to remove serious topology error

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6 commentaires

  • Tim Heeney

    Hi Hugh.

    The error info refers to a vertex.

    The highlighted vertex to the right seems not at it's correct junction / position where the surface edges converge / meet.

    Ways to help investigate / examine faces... ( won't fix the problem but may help an error understanding ).

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  • Tim Heeney

    Hugh,

    One way to remove / repair 'nasties' could be to place a sphere over the entire problem ( if possible ) and then 'Fill' the spherical face.

    and a bigger version...

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  • Tim Heeney

    Hugh,

    If not a sphere - try a cylinder as shown. Just perhaps it didn't work for you due to positioning.

    Maybe pull the ends to ensure coverage...

    Don't completely consume any face or it will be deleted and ( if possible the other face extended to an intersection)

    Try placing a solid cylinder like this...

    Without further investigation, at the moment, this is all the advice i should give.

     

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  • Hugh Keir

    Thanks Guy's,

    Great suggestions.

    My previous attempts had included extending the ends and diameter of the cylinder in addition to drawing boxes.

    I had not previously used the Sphere tool, so thought I would give that a try.

    First here is the error.

    Next I highlight the area of possible difficulty, select the sphere tool and then fill

    The fill tool changes the shape of the area.

    I then check for errors.

    Wow, errors gone.

    Thank you so much, I spent a few hours trying to solve.

    Hopefully this will help some others.

    Thanks

    Hugh

     
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  • Tim Heeney

    Hi Hugh.

    The issue gone - so good...

    A face encompassing sphere or cylinder, will always delete the face as i said, but perhaps it got missed as my post was too verbose.

    You got lucky.  With the total deletion of the face, forcing it's neighbouring faces to extend, a valid solid has been produced - that isn't always the case as they sometimes don't meet up.

    Usually an ordinary 'Fill' operation would create the same result.

    but, all's well that ends well...

    I was hoping that a small sphere or little cylinder over the RH corner might have retained the face but corrected the anticipated dodgy RH corner but that was  a 'hope' only, total face delection may have been the only solution.

     

     

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  • Hugh Keir

    Thanks Tim,

    I thought I had tried every combination of move pull, fill.

    I found later that the large sphere had moved some stuff on the other side of the component, so maybe your suggestion of a sphere over the smaller end of the topology error would have been more appropriate.

    As you say all's well that ends well.

    Thanks again for your knowledgeable assistance.

    I now have the part printing out.

    Cheers

    Hugh 

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