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Thread: Roof with flare at eaves - How would YOU do it?

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    Default Roof with flare at eaves - How would YOU do it? Images added

    It seems to me like I can't do a roof by footprint if it has a flare at the eaves. It's a curved flare.

    I tried by mass once already and it made a real mess of the geometry. Not easy.

    Any suggestions would be appreciated.

    Thanks.
    Last edited by 3dway; 2008-10-08 at 02:57 PM.

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    Default Re: Roof with flare at eaves - How would YOU do it?

    Roof by extrusion...

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    Default Re: Roof with flare at eaves - How would YOU do it?

    Also think about using void extrusions. When modeling in Revit, sometimes it helps to remember Boolean tools are available.

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    All AUGI, all the time gwnelson's Avatar
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    Default Re: Roof with flare at eaves - How would YOU do it?

    how about a host sweep?

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    Default Re: Roof with flare at eaves - How would YOU do it?

    Ok, I'm trying to do roof by massing it and using the roof by face tool.

    It requires a lot of acrobatics. Solid modelling this way is even worse than in AutoCAD. Next, I'm going to try to import a sketchup model as the mass.

    This is the simplified view. If I edit any of the masses, the voids show.

    Basically I came to this by extruding a profile with the shape in one axis, then extruding a void perpendicular to that to get the hip.

    The problems I'm having are:

    -I can't see anything. Masses are rendered too tranparent to tell how they go together. It's like being forced to work in wireframe, but not being able to see the lines between masses. You go into one mass to edit it and all of the edges of the other masses disapear.

    -I am forced to make this our of a few separate masses so that the voids of one mass don't cut the the other masses.

    -I beleive that I have the faces the way I want them, after struggling to model this way, now it won't make the roof. I just get a "can't make roof" error. Expanding the explanation doesn't explain the root of the problem.

    I'm used to modelling in 3dsmax, sketchup, silo, modo, even autocad. This is a brutal modelling tool.

    Can anyone suggest ways, to get it to display more clearly? to find the reason I'm getting the "can't make roof" error?

    The problem here is the curved flare at the eave. It pretty much makes the standard roof tools useless. The relationships of the forms are important, such as, the gable "dormer"s on the ends hit the roof at the point where the curve stops.

    I thought about sweeping the flare then using the standard roof tools from there up, but it's really really difficult to get the points where these things all have to intersect.

    I've spen a full day massing this and then get slapped in the face with a "can't make roof" error with no explanation. this is the kind of stuff makes people want to go back to AutoCAD.
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    Default Re: Roof with flare at eaves - How would YOU do it?

    Here's more of what it should look like.

    Sorry about cutting off the whole view. In my mind it helps to preserve the client's privacy somewhat.
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    Default Re: Roof with flare at eaves - How would YOU do it?

    Ok,

    It looks like Revit "likes" to make the roof better, one face at a time.

    It doesn't join up as nicely, and I hade a couple of situations where I had to go into masses within masses to make sure everything was joined.

    Is there any way to cut off bits of roof that stick inside? Some of this isn't going to section nicely and it's kind of sloppy.
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    All AUGI, all the time Munkholm's Avatar
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    Default Re: Roof with flare at eaves - How would YOU do it?

    I´d do it by creating the 15-20 (roughly estimate) seperate roofs, created by footprint, and then use the join roof tool. That should be possible, and give you true section views.
    Last edited by Munkholm; 2011-01-10 at 08:44 PM.
    - Klaus Munkholm

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    Default Re: Roof with flare at eaves - How would YOU do it?

    Quote Originally Posted by Munkholm View Post
    I´d do it by creating the 15-20 (roughly estimate) seperate roofs, created by footprint, and then use the join roof tool. That should be possible, and give you true section views.
    You mean do each pitch / plane as a roof by footprint based on a one line sketch?

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    Default Re: Roof with flare at eaves - How would YOU do it?

    Just tried. I have to do closed loops for a roof by footprint.

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