Click the icon to close the editor menu.
Click anywhere on the map to add a new item.
Drag and drop an existing item to move it.
Click on an existing item and then the "Delete" button to delete it.
Known Issue: When adding an item for the first time (the first non-lethal melee, first stairwell, etc), it will not appear until you refresh the page.
Click on an existing ledge to delete it.
Click here to enable / disable ledge builder
Click on an existing foliage to delete it.
Click here to enable / disable foliage builder