Where is it?
For more information, see Type-Driven Curtain Element Layout.
As you draw a wall, you can quickly set its length by entering a value on the keyboard, taking advantage of the listening dimension feature. See Listening Dimensions.
If you want to flip the orientation of the wall about its location line, press the Spacebar as you draw the wall. This works for all wall drawing tools, such as rectangles, circles, and 3-point arcs.
To exit the Wall tool, press Esc twice.
Move the cursor over a panel edge, and press Tab until the panel is selected. Watch the status bar for information, and then click to select it.
See Placing Mullions.
Completed curtain wall