The duplicate feature allows copying a non-exhibiting space to a new location.
Select NES to Duplicate - choose an existing NES from the dropdown.
Description - add an internal description. Make sure to differentiate the description from that of the original.
Lx, Ly, Rx, Ry - click on the original NES on the floorplan and drag the outline to a new location. Resizing it is possible using the corners. The coordinates will be updated as changes are made.
Label - update the label that will be shown on the map.