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506 | ChaPTER 12 Creating Walls and Curtain Walls

4. From the Architecture tab, select the Mullion tool.
Notice that you can select from a variety of mullion types in the Type Selector; however,
the default choice is adequate for this exercise. At the right end of the ribbon, you will
see the Placement panel with three options for placing mullions: Grid Line, Grid Line
Segment, and All Grid Lines. You can place mullions on the curtain wall using any of
these methods. Give each a try to see how they work.

Replacing Panels and Mullions
Certification Next, you’ll replace panels in the wall you just created. As we explained previously, panels
Objective are subcomponents of the overall curtain wall, so you may need to press the Tab key to select
a panel and view its properties. Special selection tools for curtain walls are available in the
context menu when you highlight a mullion or a panel.
In the following exercise, you will replace the narrow band of glazing panels with solid panels:
1. In a 3D view, select one of the glazing panels in the narrow horizontal band (press the
Tab key to select it if necessary).
2. Right-click and choose Select Panels ➢ Along Horizontal Grid, as shown in Figure 12.37.

Figure 12.37
select multiple
curtain panels
along a grid with
commands in the
context menu.

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