Forums >> Revit Structure >> Technical Support >> Constraining Structural Column Within a Revit Family

Gils

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Joined: Fri, Sep 7, 2007
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While modeling a modular prefab component using structural components I ran into a problem.

It is possible constraing columns to a grid line intersections, but within a family environment, where there are no grids it seems it is impossible to constrain a column to two prependicular ref. planes, only one.

Reason for doing that is to give the modular component variable sizes through family types, therefore having a dimension between grid lines controlling module size is not an option.

 Any ideas?

 Regards,

Gils 

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WWHub

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Joined: Tue, May 16, 2006
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You could add two hidden lines to your family.  Dimension (label - instance dimension) those off your xy insertion point and then use that variable to calculate your xy family size.  When you insert the family, you can stretch the two invisible lines to your grid spacing and that will then flex your family size according to your calculations.

I just tried this and it works. 

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Gils

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Joined: Fri, Sep 7, 2007
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Thanks a lot.

Apparently it was more to do with lack of my experience with structural components. I had used Structural framing family instead of columns

 I just substituted those to structurl columns and eveything is working.

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