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Forums >> Revit Building >> Technical Support >> Complicated Families and linked parameters between types

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Wed, May 13, 2015 at 5:47:24 AM | Complicated Families and linked parameters between types




Joined: Mon, Feb 10, 2014
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I'm using Revit 2015 to build some complex families for a prefabricated wall system. The wall system is made up of wood stud framing with OSB sheathing and then EPS foam over that and another layer of OSB on top. The panels come in predefined lengths and heights (which would be the Types in the family) and each panel type can also have a different depth of stud and/or EPS.

I have a Family called Test Panel - Straight Panels and it has types for a 2'-0" wide x 8'-0" high panel, a 2'-0" wide x 9'-0" high panel, a 4'-0" wide x 8'-0" high panel, etc. When I use them in a project I will place a combination of different family types to obtain the length of wall that I need. That part is easy. What I want to be able to do is change the depth of the structure or the thickness of the EPS insulation for all the types of the panels placed in my current project.

For example: I have a project with a bunch of different panel types placed (2ft panels, 4ft panels, 8ft panels, etc) and they all have 2x4 framing and 3 1/2" thick EPS. If I decide that the framing now needs to be 2x6 or the EPS needs to be 8 1/2" thick, I want to be able to change a parameter and have it change all the panels in the project.

I can do that with Instance Parameters as seen in the attached file, but is that really the best way to accomplish this? It does give me flexibility incase some panels need to have different framing or EPS thicknesses but I'd really like to know if there is some parameter or option that would allow me to change all the panels at once.

Also is there a way to link the Type Name to the Model parameter? I want the Model parameter to update when I make a new Type Name.

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Wed, May 13, 2015 at 7:29:54 AM | Complicated Families and linked parameters between types




Joined: Fri, Mar 30, 2012
113 Posts
5 Stars: 3 Votes

do create a nested family and shared family..


family A: EPS with type parameter (tick the "Shared" on the instance parameter)

family B: 2ft 4ft 6ft wall panels and with nested EPS (family A)


if you modify parameter of EPS... you will have 3option to override (as in attacked image)..

if you select correctly, all the EPS in 2ft 4ft and 6ft will be updated

Attached Images



** dont be mad, i dont have much... i am homeless

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Wed, May 13, 2015 at 12:50:30 PM | Complicated Families and linked parameters between types



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Joined: Tue, May 16, 2006
13079 Posts
3.5 Stars: 377 Votes

Ireally don't like using families for walls.  Take a look at this thread for an alternative:

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