The building is rotated based on the lower left corner with an angle value given by the rotate building command.
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Location of the Rotate Building Command
You can access it under the ribbon menu Tools tab , under the title Tools.
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Usage Steps
Click the Rotate Building icon in the ribbon menu .
The Rotate Building dialog will open.
Give the angle value and click the OK button.
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Usage step |
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Before rotate structure  |
Giving the angle of rotation  |
After rotate structure  |