Select another wall
- Select the wall (A) on which the door is to be added.
- Flip the door's 2D geometry, and disable the flipping of 3D
geometry. Click the buttons
Flip and 
Flip 3D on the
contextual toolbar. - Select
Enter distance from point. - Select another line (B). The Enter Distance dialog box opens.
- If the arrow points upward, type in the text field: 150. If the arrow points downward, type: -150. Confirm by clicking OK.
