04-08-2016, 09:50 AM 
	
	
	
		I have re-written large parts of it to be more robust in the special cases, 
it still uses Mark's ideas of a plane trough the normal.
It will be included in the next release.
	
	
	
it still uses Mark's ideas of a plane trough the normal.
It will be included in the next release.
 
	