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How to prevent locking to reference plane from breaking family.

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    #1

    How to prevent locking to reference plane from breaking family.

    I am working on a door family with a series of nested components (panel, hardware, 2d swing). The main family is ‘family 1’, and ‘family 2’ is nested. ‘Family 3 is nested in ‘family 3’.

    The issue I’m running into is that if I lock Family ‘2’ to a reference plane in the main family ‘1’, it errors out and breaks the dimension association when I swap a family type through type parameters in a deeper ‘family 3’. What is causing that break to happen?
    Tags: None
    #2
    Lock nested families to the center plane if you want to move them.
    Use parameter association instead of constraining to reference planes if you need to stretch a nested element.
    Avoid equality constraints (EQ dims).

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      #3
      What is it in Family2 that you are locking to the main family reference plane? Is it possible that when you swap Family 3 you also change what's shown in Family 2? If the main family is using a reference plane or geometry from Family 2 to align/lock to, and then this geometry or reference plane no longer exists when swap your Family 3, it could cause the main family to spit out an error. Have to be careful with ref planes and alignments when planning on swapping families.

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        #4
        create a new reference plane parallel with the host families origin reference plane. Dimension the new RP to the parent families origin RP. set the dimension to 0 and lock it. host all of your nested families to your new (named) RP.
        try to make ALL of your nested families from the exact same family template.
        There are no stupid questions, only stupid people

        Comment

          #5
          Originally posted by elton williams View Post
          host all of your nested families to your new (named) RP.
          There's the true secret. Once you start setting your named Reference Planes as the current Work Plane, you'll find you need a lot less Dimension constraints.
          Just constrain the Plane, and everything hosted on it will move with it.
          Just remember to keep setting (or resetting) the current Work Plane.

          Dave Plumb
          BWBR Architects; St Paul, MN

          CADsplaining: When a BIM rookie tells you how you should have done something.
          • Likes 1

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