Revit Construction Modeling Tools
Illustration by Richard Downs

Modifying divisions


Revit Construction Modeling Tools

with Paul F. Aubin

Video: Modifying divisions

Once you have divided your parts you can

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Watch the Online Video Course Revit Construction Modeling Tools
2h 9m Intermediate Mar 11, 2014

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If your job requires working on Revit models created by someone else, then you have probably run into situations where portions of the model need to be reworked. Perhaps you're a subcontractor or an interior designer who needs to accurately convey finishes. Traditionally tasks like these would require a good deal of time, but with the three unique construction modeling tools in Revit, you can now add the details and refinements you need without rebuilding the entire model. Paul F. Aubin shows how model elements can be broken down into parts and articulated with their own finishes, materials, and other details. To assist in documentation, Paul explores assemblies: detailed drawings of isolated portions of the model. And with the Displace feature he shows how to create compelling "exploded view" illustrations to convey how things fit together.

Topics include:
  • Creating and removing parts
  • Dividing parts
  • Adding and merging parts
  • Creating parts from linked files
  • Creating assemblies, assembly views, and assembly sheets
  • Creating and editing displacements sets
  • Controlling displacement views
3D + Animation CAD
Revit Architecture Revit Structure Revit MEP
Paul F. Aubin

Modifying divisions

Once you have divided your parts you can always revisit them at any time and make modifications. Now we've already looked at a few examples of editing and division and adding and removing intersecting references. But in this movie I'd like to look at some of the specialized tools that we have to help us modify the divisions of our parts. So we're in a file here called Modifying, and it's currently set to Show Original. So, if you look over here on the Properties palette, make sure nothing is selected. It says Show Original for the parts visibility, and I just want to keep reminding you to looking over here and decide, is it the parts you want to see, the original or both.

Now, I usually use either Show Parts or Show Original. I'm not a huge fan of Show Both, but you certainly could show both if you want to see them both simultaneously. But I find it a little distracting when you have both the original object and the parts displaying at the same time. So I'm going to show the parts and as you can see, I've divided these into this panelized system in both directions. And if I were to just take a quick look at the south elevation, it's just using the grids and the levels to make those divisions. Let me close the south elevation. I'm going to pan over here and zoom with my wheel, and zoom in on the short wall here.

And look at this garage door that I have right here. Right above the garage door, let's see if I can get it to highlight the part. There it is right there. You can see there's this small thin little sliver there above the garage door. And if this was some sort of a pre-cast system, it'd probably be pretty difficult to have that small little piece in there. So maybe we want to remove that and indicate that some other way, and with some other detail. So the person working on this part could actually modify the division of this surface to indicate that that piece up above isn't going to be there.

To do that, we simply select one of the parts, and I'll select the one that goes around the door here, and it turns out that you can actually divide a division. So right now there's the overall division of the small wall and we would get to its division by choosing the edit division button, as we've done in a previous movie. But in this case I want to use the divide parts button again on just the selected part. So now I'm in a submode and I can divide this part using the standard methods, either Edit Sketch or Intersecting References.

In this case, I'm going to sketch it. I'm going to click my Set Work Plane because the Work Plane is currently sitting down there on the floor and I don't want that, so I'm going to do Pick A Plane. Click okay. And pick this front surface here, the one that's facing me. And so now that becomes the work plane. And then let me zoom in just a little bit closer here. And here's the part where it gets really tricky. Your intuition would say to just simply draw this little piece that you need right here. But if I try to do just that, and click the Finish button, it won't actually divide anything.

So I need to edit that sketch. This line still needs to go all the way through the divided part. Which again, is a little bit counter-intuitive at first, but once you get the hang of it you'll start to understand the way that behaves. So I'm simply just going to use these grips here and stretch it all the way through. Now I want to do the same thing on the other side. So if I wanted to I could just simply use this pick lines, pick the vertical edge of the door and then stretch that so that it goes all the way through. It's just another way of doing the same thing.

Once I've created those two vertical lines and I click finish. You'll see the two division lines appear and then when I finish again, I now have this part, this part and I have that one going across the top. That one going across the top I don't want to be there. So with it selected there's this exclude parts button and I can remove it entirely. And so now that part across the top has been removed, and if I grab the door and begin to orbit a little bit here.

Just so you can see a little bit better. You can see that that door continues to go up behind it, but we've removed that front piece right there. So regardless of whether with a sketch-based division or an intersecting references division, you can always go back in and modify those divisions later to fine-tune and customize the exact look that you're looking for with your parts.

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