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Thread: Trapezoid window

  1. #1
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    Default Trapezoid window

    I have looked for and cannot find a trapezoid window family that can have variables for width, height, and slope on one side. I have tried to make one starting from an existing fixed window family and changing one side to an angle but I can't make it work properly. The width and height can be changed but the rise on the sloped side remains the same, even giving it a formula for the slope. I put in reference planes on the slope side and they change with the formula but when I align and lock the window to the sloped reference planes it is over constrained.

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    Early Adopter sbrown's Avatar
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    Default Re: Trapezoid window

    Just make a width for the top and a width for the bottom. I wouldn't try to control it with an angle. Once you get the opening to flex, then add the additional geometry usint the pick tool to lock it to the opening.
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    Scott D. Brown, AIA
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    Default Re: Trapezoid window

    What I'm after is vertical sides, square bottom and a sloped top that can change to match a roof pitch.

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    All AUGI, all the time gwnelson's Avatar
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    Default Re: Trapezoid window

    I would recommend starting with a clean slate. The OOTB windows have some hard restraints and are sometimes puzzling to deconstruct.

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    Revit Mararishi aaronrumple's Avatar
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    Default Re: Trapezoid window

    Like this...
    I'd add in some error control as this family will fail when the slope is equal to or less than the angle of the width/height of the window....
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    Default Re: Trapezoid window

    Aaron,

    When I try to change the angle or the slope it says it cannot rebuild the geometry.

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    Default Re: Trapezoid window

    Sorry,

    I was putting in an angle beyond your error control. My window will actually have the slope on the top but it should work the same. After I get the opening to work properly what is the easiest way to fit a window to it?

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    Revit Mararishi aaronrumple's Avatar
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    Default Re: Trapezoid window

    Just had to fuss with this one....
    Attached is error controled. When the angle is wrong - it is reset to 90. Another option would be to increase the width of the window.

    Just build the window using the edges of the opening. A sweep for the frame would work the best... You don't need to lock much stuff - it should all follow the reference lines and planes.
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    Default Re: Trapezoid window

    can you please explain the slope parameter.

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    Revit Mararishi aaronrumple's Avatar
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    Default Re: Trapezoid window

    The slope parameter allows you to type in a X to 12 value to have that converted to an angle.

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