Corner family reference planes

[Anonymous]

Hello,

New to Revit but very familiar with Inventor I'm trying to create a curtainwall corner family. I have to create a 94 degree corner flexible family. As an Inventor user my thinking is oriented a certain way but it may be wrong for Revit. I want the corner exterior reference planes to be the driving information so that both sides can adapt to grid. I've started from a typical flat family and added angular reference planes but I don't know how to "constrain" or force them to be fix at intersection.

[ToanDN]

Before getting into solving this... I thought the horizontal mullions will miter themselves at whatever angle between the two curtain walls. Or is it for other purposes?

[Anonymous]

Hi,

What you don't see in my image is that I need to sweep the horizontals for the other side. Before doing so I wanted to test the family flexibility and that is when I found that my angular lines do not follow as I stretch. So I stopped there wanting to fix the  issue before I move on. My problem is not the miter cut but the second half of frame not attached to first. When family is loaded into project it does not behave as it should.

Thanks for your help,

[ToanDN]

I understand there is another half of the family in your sketch. What I
meant was the entire corner family was not necessary because Revit should
take care of any corner conditions, unless when you need a special vertical
corner million. Draw two curtain walls meeting at any angle in Revit you
shall see.

[ToanDN]

I understand there is another half of the family in your sketch. What I
meant was the entire corner family was not necessary because Revit should
take care of any corner conditions, unless when you need a special vertical
corner million. Draw two curtain walls meeting at any angle in Revit you
shall see.

[Alfredo_Medina]

I agree. This effort of making a family for the corner of curtain walls is not necessary, and it's not the way Revit handles this. What you need is to draw the segments of curtain walls in your project, and then select the mullion at the corner, unpin it, and change it to one of the corner mullions (there are 4 types), and delete the adjacent mullion.

If you need to create a special condition, you need to use the family template for curtain wall mullion, in which you draw a closed 2d shape, only.

The graphic below shows the use of one of the corner mullions, the "L Corner Mullion". I have highlighted the other types.

[Anonymous]

Thanks guys,

I see what you both mean by Revit handling angular walls when inserting 2 frames next to each other. I only need to take care of the miter for them to match perfectly. I can also comprehend the idea behind special conditions but I will have to test to see behavior. Correct me if I'm wrong but it seams like I would still have 2 frames to compose the corner but it will look like one full corner due to special mullion.

[Alfredo_Medina]

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@Anonymous wrote:

... How would I create such a family?

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Second paragraph of my previous post. Curtain Wall Mullion family.

[Keith_Wilkinson]

Here's a window I made a year or so ago which might help - I was experimenting with variable angle windows and screens.  It's not perfect but should point you in the right direction.

HTH

K.