Instructions
Place a one-way shield door where you want the base of your elevator to be located.
Ensure the door has its orange glow pointing in the direction you want players to travel. One-way shield doors have an orange glow on the side that can't be entered. So you want to place the door so that the orange glow faces the direction of movement. For example, an elevator for transporting a character upward has the orange glow facing up.
Set additional one-way shield doors on top of the first. This will allow you to set the height for your elevator. Make sure each door has its orange flow pointing in the same direction.
Place each door close enough together so that the gap between doors is smaller than the height of the player. If a player is taller than the space between the one-way shield doors, the elevator will not work correctly.
Set terrain or wall casing around the elevator. This step is optional. Some map designers choose to encase the elevator for aesthetics.