Reasons To Be Cheerful Part 7 (upgrading to 2008) Inserting Windows in 3D Walls

As well as being able to draw the walls in 3D, you can also insert windows and doors into the walls in a 3D view.

Start with a 3D View.

Select the door object.
Move near a wall.
Click once to place the door.

Click once to finish placing the door. This works with windows as well.