Forums >> Revit Building >> Technical Support >> Window Parametric Purgatory-Need help!

Devonshire

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Joined: Wed, Nov 28, 2007
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I'm trying to make a louver family (from the window template).

 I need it to insert at the face of an 8" thick concrete wall.  The template wall is what, 6" thick?

 Attempt #1:

I tried creating a reference plane to represent the face of the wall and then locked it to the face of the template's wall.  Tried locking the swept louver frame and then the extruded louver blades to the "Face of Wall Reference Plane". No luck.  The louver is inset about 3" and the louver elements didn't lock to the face of wall reference plane.

Attempt #2:

I created a new reference plane to represent the face of wall and dimensioned that to the wall centerline as that seems to be fixed and more easily reference or locked to. Made the offset dimension a parametric dimension so that I could manually tweak it after inserting it.  No luck their either.  I can get the (swept) frame to lock to the Face of wall reference Plane, but not the extruded blades.

 How to get the parametrics to work so that I can adjust the inset depth of the louver (frame + blades)?

How to get the swept frame and the extruded louver blades to lock to the wall face reference lines???

 How to get the reference plane to parametrically adjust to the face of wall regardless of the wall thickness?

 I attached the family

 Arrrggghhhh

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puzzle

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Macca

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Devonshire

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Thanks, Macca.

That louver is still centered in the middle of the wall rather than the face with no apparent way to adjust it....  also I need the lover blade profiles as in the attached family (1" vertical lip if that is the correct term).

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WWHub

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Mr Spot

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Checkout my tutorial created quite some time ago:

http://www.revitcity.com/tutorials/arrays_and_nested/  There is a more current version available on my blog as well.

For parametric louvres you need to be working with arrays, and if you are arraying anything you should always use a nested family so you have an origin point to constrain.  Using my tutorial you could constrain it to the face or centre of the wall or whatever you like depending on where you set the origin and the louvre profile could be any shape you want... In your example its actually easier as you aren't needing to rotate the blade so the formulas are more basic.

However, if you want to be really lazy you could just edit your family, set the wall in the template to 8" thick, adjust it all so everything is in the correct spot in your family and then load into project.  Because the family wall and project host wall are the same thickness the placement should be correct.  However, this would only work with 8" thick walls... 

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Regards,

Chris.

Co-Founder | BIM Consultant | Software Designer  B. Arch)

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