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Forums >> Revit Structure >> Technical Support >> Need help: modeling tube to tube intersection w/ in-place families

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Fri, Nov 6, 2009 at 2:44:04 PM | Need help: modeling tube to tube intersection w/ in-place families

#1

structuresguy


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Joined: Tue, May 6, 2008
102 Posts
5 Stars: 1 Votes


I have a decorative eyebrow frame that is mounting to my building that the architect insists we show in our model.  It has a 12" round aluminum tube running horizontally along the wall, about 12" off the wall, with a 8"x12" rectangular tube bracket back to the wall.

 

I want to use in-place families, so that in plan I see the full shapes.  If I use HSS tubes from the beam menu, in plan I would only see the centerline. 

 

I can create all the shapes, but in-place families won't cope to each other (what a PITA!!!).  REVIT GODS - YOU NEED TO ADD THIS FUNCTIONALITY!  Anyway, I also want to create one in place family with all the parts.  But when I create a void form to shape the 8x12 tube to cope around the 12" round tube, it also cuts through the round tube.  Is there any way to get a void only to affect one part of the family?  Or do I need to make two separate families?

 

Alternatively, I would usee HSS beams if I could show them in fine detail on plan, when the rest of the plan is course.  Is there a way to overide the detail level by element?

 

Thanks.



Attached Images

68488_tube_intersection.jpg

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Fri, Nov 6, 2009 at 2:46:37 PM | Need help: modeling tube to tube intersection w/ in-place families

#2

structuresguy


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Joined: Tue, May 6, 2008
102 Posts
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The sketch I attached is made with HSS beams, with a 1" coping distance.  This is how I want my in-place family to look, but with zero coping distance.  But I can't get it in one family.  It just seems to be I should be able to build-up a complex shape with several extrusions/voids, and be able to define how it fits together.

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Fri, Nov 6, 2009 at 3:03:32 PM | Need help: modeling tube to tube intersection w/ in-place families

#3

WWHub


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Joined: Tue, May 16, 2006
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If you use the join on the two items, the void will cut both...so don't do that.  Then ... try making the void to the side - when finished, slide it into place and then select it and tell it which items to cut.

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Wed, Nov 11, 2009 at 7:15:36 PM | Need help: modeling tube to tube intersection w/ in-place families

#4

emgeeo


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Joined: Wed, Mar 12, 2008
322 Posts
3.5 Stars: 7 Votes


You've got the right idea, you just need to adjust the extensions and coping distance.  In the screenshot I've posted, i used a 4" extension with a 0" cope.  See screenshot.

 

As for the graphics issue...I'll use an hss for the example

1.  Edit the HSS family.

2.  Save as 'HSS - Eyebrow' or something that pertains to the area you are working in.  It's very important that you save this as a new family!

3.  Go to a side view in the family (right or left) and delete the geometry for medium-level detail.  This will be the hss shape without rounded corners.

4.  Select the remaing geometry in the family.  In the editing bar, you will see a 'visibility' button (which can also be accessed by right clicking while your hss geometry is selected).  Click it.  Select all three options for detail level.

5.  Still editing the family - go to settings -> family categories and parameters.  Select 'from family' for symbolic representation.

6.  Load into project.

 

These HSS shapes will not appear in fine detail - regardless of graphics level you have selected.

 

Make sense?



Edited on: Wed, Nov 11, 2009 at 7:30:10 PM

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68731_coping.JPG

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