Revit Construction Modeling Tools
Illustration by Richard Downs

Revit Construction Modeling Tools

with Paul F. Aubin

Video: Using assemblies and parts together

So sometimes, you might find it useful to use both parts and assemblies together. And then I'll just draw a simple line And so when I'm done, I now have these two small sections of wall.

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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
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Paul F. Aubin

Using assemblies and parts together

So sometimes, you might find it useful to use both parts and assemblies together. In fact the tools were introduced together at the same time, and we're kind of conceived as complementary to one another. So, in this movie, I have a file here called assembly parts and in this movie, we're going to create an assembly from parts, and talk about the advantages and disadvantages of doing that. So I'm going to to create an assembly from this railing here and the patios. So I'm going to just select one of these walls here. Hold down the Shift key and, sort of, orbit around a little to get a better look at this post right here.

So let me zoom in with my wheel. Now let's say that I wanted to select this wall, this wall And both parts of this post. So this, post here is actually two really short columns. Now, if I take those four elements, and I create an assembly from it. And I'll just set the category to walls, and let it use the default name there. The trouble with doing that is, if I scroll down, find my assembly here on the project browser. And right click the assembly and create assembly views.

Let me just go ahead and accept all the defaults here. You'll notice that the walls are the full extent. They you know, project all the way to the ends there. Now, it would certainly be possible to start manipulating the crop regions and trying other techniques to kind of isolate and limit that down, but I'm probably more interested in just the detail of the connection here. And only a little portion of the wall, and not really the entire wall. So, one option that I can do, is, to create parts first, and then build my assembly.

So I'm going to go back to my, 3D ortho view here and I'm going to select that assembly, and I'll dis-assemble it. And that will tell me that it's going to remove all of this stuff. And I'll just say delete elements and, what that deleted was the assembly down here on the project browser and all of its views. So that's what that warning was telling me. Okay, so now what I'm going to do instead, is I'm going to select this wall and I'm going to create parts from it. So I'll create parts And I'm going to divide those parts, and I'm going to divide it with a sketch, set my work plane, pick a plane, and I'll set the plane to the front edge of this wall here.

And then I'll just draw a simple line where I want to divide it, pulling it straight up. Finish that and then, you'll see here that it's sort of cutting all the way through that wall there and I'll finish it again, and I now have a part here, a part here and then the same over here. And I can repeat the same thing on this other side. And so when I'm done, I now have these two small sections of wall.

So I can make sure that I select all of these parts and the two columns, and now I'll create the assembly. And again choose my category that I want here. And it can either be associated with parts or columns, which in this case doesn't really matter. It's just a naming category. But I'll just call this patio detail. And clock Okay. So, now, if we scroll down on the project browser, expand my assemblies, right click patio detail and create the assembly views. You can see that the views that I get are isolated to just the area that contains the parts and then of course at this point, I can decide which views I want to keep, which ones I want to remove, I could start to customize the indicators like we've done in the last movie, you know, set up the sheet add the detailing.

So the process at this point would be Pretty much the same but what we're doing is we're creating first a little more isolated area by using the parts to help us divide up a larger object and then creating the assembly from that. So I just wanted to make sure that you were aware that these two tools are completely compatible with one another. And not only are they compatible, but as I said in the introduction to this movie, they were actually conceived as complementary tools to one another. So the idea is that Use the parts to help you refine the model.

And you use your assemblies to help you complete your documentation.

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