Star Trek the next Generation Transporter Room....
Import Transporter.grp file in a new or pre existing map through the sandbox editor and use it as
you please. Please give credit if published.
There are corridors attached.
And there is working door. After moving the Transporter Room into place in the map of choice, remember to clear the Physical State of the door. Do NOT save the Physical State, which could break the flow graph of the door.