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Thread: Void Cutting a Nested Family in a Generic Model

  1. #1
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    Void Cutting a Nested Family in a Generic Model

    Hello there,

    I am working on a parametric portal frame that has a unique web. The web is corrugated and is a nested family because it uses an array parameter. Since the column and the rafter of the portal frame are tapered, the corrugated web (nested family) needs to be tapered aswell. But i can't seem to successfully create a void form to cut through the nested family.

    I've checked the forums here and have yet to find a solution to my problem. I've been using a nested face based void cut (cut with void when loaded checked) to try and solve the problem but it doesn't seem to want to cut the nested corrugated web i'm using.

    I'll attach my family here and maybe somebody can have a look (my issue will be more clear if you open the family and see for yourself).

    Note: The family itself is not finished so excuse me if it's messy

    Thanks and i look forward to a reply
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    Member anthonyB's Avatar
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    Good looking family. No need for apologies.

    Others may prove me wrong, but I don't believe you can get the void to cut those nested families as you desire.

    While I love making tricky families, I do always try to follow the KISS principal: Keep It Simple Stupid. Consider if you need that complexity in your family: In what views will you see that information? Will all that linework overpower your overall section/elevation views views? Would a filled region with hatching do? Will a detail in the project suffice?

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    Forum Addict GMcDowellJr's Avatar
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    A void can cut a model on the family, I believe, but it won’t in the project. You’ll need to put the void in the nested family and hook up it’s parameters to the host to control it.


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    Member anthonyB's Avatar
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    Quote Originally Posted by GMcDowellJr View Post
    A void can cut a model on the family, I believe, but it won’t in the project. You’ll need to put the void in the nested family and hook up it’s parameters to the host to control it.


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    Now there would be some good formulas.

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    Hello,

    Thank you for taking your time to answer!

    The frame itself will be representing the actual frames we design at my company and will be used for renderings etc. Therefore a hatch wouldn't really do it in my opinion. But thanks for the tips.

    And i think i solved my own case this weekend. Instead of using it as a nested family i just created an extrusion directly in the generic model and arrayed it with the same parameters. And later i just put in a void and cut anything inside of the inner flanges. Worked out pretty ok.
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    Forum Addict GMcDowellJr's Avatar
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    Quote Originally Posted by anthonyB View Post
    Now there would be some good formulas.
    Now that I look at the family I can see why you'd say that. Array's are great... but they can't do what the OP wants. Best bet right now might be to use Dynamo to place and number each panel (from either end). That number could then be used to drive a formula to control the size of the cut. 2 things need to happen here -- you can't use the array since everything in an array needs to be the same, and you need some way of telling each panel where it is along the angle.
    anthonyB likes this.

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