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562 | ChapTeR 13 Modeling Floors, Ceilings, and rooFs

barrel roof with half dome (Extrusion + 1/2 Revolve), a dome roof (Revolve only or Revolve +
Extrusion), and a traditional Russian onion dome (Revolve only).

Figure 13.34
examples of modeled
in-place roofs

To create an in-place roof, select the Architecture tab in the ribbon and click Component ➢
Model In-Place from the Build panel. Select Roofs from the Family Category list and click OK.
While you remain in the In-Place Family editing mode, you can create any roof shape using
solids and voids of extrusions, blends, revolves, sweeps, and swept blends (Figure 13.35). More
advanced editing techniques are discussed later in this chapter, in the section “Using Advanced
Shape Editing with Floors and Roofs.”

Figure 13.35
organic-shaped roof
created using the
swept Blend model-
ing technique

Creating a Roof by Face
The Roof By Face tool is to be used when you have created an in-place mass or loaded a mass
family. These types of roofs are typically more integrated with the overall building geometry
than the examples we’ve shown for in-place roofs. You can find more detailed information about
using face-based methods in Chapter 8.
Creating a Sloped Glazing
In Chapter 12, you learned that a curtain wall is just another wall type made out of panels and
mullions organized in a grid system. Similarly, sloped glazing is just another type of a roof that
has glass as material and mullions for divisions. Using sloped glazing, you can make roof lights
and shed lights and use them to design simple framing structures.

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