The build-in editor is in it's infancy stage, but it is being slowly expanded.
F11 - Enter/exit the editor mode.
LPM - Activate event1 (if the model and the eventlauncher have the same names).
LPM + Shift - Activate event2.
Hold the LMB and move the mouse - Move the object.
LMB + Shift - Change the object's height.
LMB + Ctrl - Change the object's rotation.
Alt - Rotation mode.
Alt + Ctrl - Rotation limited to jumps of 15'.
Ctrl - Equate the object's height to the landscape height.
Ctrl+Shift+F11 - Save the current state to a file.
The files will be saved in the scenery
name_export.ctr - containing all events event,
name_eksport.scm - containing all node type objects,
name_eksport_dirty.scm - containing edited and added node objects.
More details can be found on the project forum: click