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Thread: Variable Facade Panel Fail

  1. #1
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    November 28, 2018
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    Variable Facade Panel Fail


    I am a heavy Rhino/Grasshopper user transitioning to Revit/Dynamo.
    I am in the proccess of modeling a facade paneling system that will ultimately work with an attractor curve.

    The following was modeled in Rhino/GH; I want to model the same system in Revit.
    Click image for larger version. 

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    To achieve this, I've created 3 revit files:
    -A sweep profile as a conceptual mass
    Click image for larger version. 

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    -A curtain panel family that models each "bowtie".
    Click image for larger version. 

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    -A conceptual mass file with 2 surface with a checkerboard patterns, one of which is indented and globally rotated.
    Click image for larger version. 

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    Within the curtain panel family itself, all parameters run as expected.
    When implemented within the Conceptual Mass as an actual applied checkerboard pattern, only certain UV settings produce acceptable results; in other cases, the bowtie curtain panel family breaks in ways I don't understand where constraining dimension lines and predetermined symmetries are ignored.

    Click image for larger version. 

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    Any help would be highly appreciated.
    Attached are all relevant rfa files.

    Attached Files Attached Files

  2. #2
    Forum Co-Founder Alfredo Medina's Avatar
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    December 7, 2010
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    Welcome to the forum.

    Don't use dimensions in pattern-based families. That seems to be the error. As soon as all those dimensions are deleted, your panel starts to work. Replace use of dimensions with snaps or offsets. For example, instead of using equal-equal, simply put a point in the middle of a line. Instead of fixing a point with a dimension and parameter, control it by the offset from another point.

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