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Unwanted narrowing on sweep

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John McMullin
Unwanted narrowing on sweep
on Oct 6, 2018 at 11:46:57 pm

Hi there.

I have made a multi-segment spline that is supposed to represent a face frame for a row of kitchen cabinets. I have swept it with a small rectangle to give it volume and generally it looks good. Except that there is one part of the frame where the wood narrows to a point. I haven't effected the scale at all and constant cross section is turned on. I've attached the example where you can see the problem at the bottom left.

12773_faceframe.zip

Thanks a lot,

John


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Emir Bojorquez
Re: Unwanted narrowing on sweep
on Oct 7, 2018 at 3:16:32 am

This is what you have. It's actually a corner, that's why you are seen that "narrow"



You could break the segment and delete.

Good Luck

Imagination is the best tool...



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John McMullin
Re: Unwanted narrowing on sweep
on Oct 7, 2018 at 7:23:59 am

Hi Emir.

That's solved my problem perfectly. Brilliant. Thanks for fast reply.

John


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John McMullin
Re: Unwanted narrowing on sweep
on Oct 7, 2018 at 9:24:30 am

Sorry Amir. Another thing?

After your help I moved on to using the same spline to generate the cabinet door faces. So I duplicated the face frame sweep and then used the duplicate as the negative space inside a boole, to cut space out of a large flat volume and so create the doors. See this frame grab:

12775_doorsandspline.jpg.zip

Problem is the boole doesn't subtract the volumes where the struts of the face frame intersect.

The concept behind this is to give me an easy, quick way to change the cupboard layout, but altering or dropping in a new spline. Maybe you know of a better approach if this one is problematic.

Many thanks,

John


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Emir Bojorquez
Re: Unwanted narrowing on sweep
on Oct 7, 2018 at 10:42:14 pm

I'm not sure of what you are trying to achieve, an example could help.

Imagination is the best tool...



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John McMullin
Re: Unwanted narrowing on sweep
on Oct 8, 2018 at 8:59:22 pm

Hi Amir.

I was trying to sweep a spline and then use that sweep inside a boole as the negative shape. But part of the sweep were not disappearing due to overlapping geometry on the sweep.

I rebuilt the spline in Illustrator and and it works better now.

Thanks for your help.

John


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