The Pivot door is hinged on one side only. You can also make the door a double door, with two door elements, each hinged on its outer edge.
Single and double pivot doors
This topic describes only controls and behavior unique to the Pivot door. Most door parameters are common to all kinds of doors; see Doors.
For using materials with doors, see Doors and Materials.
The Parameters rollout contains three checkboxes specific to Pivot doors.
Makes a double door.
Changes the direction the door swings.
Places the door hinges on the opposite side of the door. This option is unavailable for double doors.