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Thread: Curtain System grid line rotation

  1. #1
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    Smile Curtain System grid line rotation

    Hi,

    I have a problem that I assumed would be easy to solve, but it's turning out to be quite frustrating!

    - I'm trying to create a curvilinear roof structure by using a curtain system applied by face to a mass. The roof is intended to be an ETFE type roof with structure travelling in one direction only. This should create 'sausages' of ETFE. I have created the mass in Rhino and exported as a .sat file - I set up a new mass based family, imported the sat file in and then loaded this into my model.

    The curtain system forms the surface well enough, the one sticking point is that the grid is out by 45 degrees. There is no option to change the grid angles as there is in a normal curtain wall. I have tried changing the workplane to the correct orientation in both the family and the project yet the grid is formed perpendicular to one side - there seems to be no way of choosing where this grid is formed from.

    I have also tried selecting the grid lines and rotating them after unpinning them - no joy. I have tried making bespoke patterned curtain systems also with no joy (like this tutorial - Revit 2011 Custom Curtain Panel By Pattern - YouTube)

    Any help would be much appreciated!

    Cheers,

    Tom

  2. #2
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    here are the files I have been using....
    Attached Files Attached Files

  3. #3
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ID:	9682intended roof structure alignment

  4. #4
    Forum Co-Founder Alfredo Medina's Avatar
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    You could improve the orientation of the grids, by changing the grid rotation parameter of both U and V grids to 45 degrees. However, since the form was made in Rhino, not in Revit, the result is not exactly as expected. There is some imprecision. This form can be done in Revit properly, as two conoids. The glass or transparent material should not be made by panels, because of the curvature, but by applying the transparent material to the whole curved surface; the mullions can be created by extrusions along splines.

    This is one of those cases in which going to other applications to make forms is not necessary, and actually creates other problems in Revit.

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