Seams to work fine. 
I would like to have some visual info, explaining the different measures I have to do, before I use it.
Could you perhaps give us a simple sketch?
	
	
	
	
I would like to have some visual info, explaining the different measures I have to do, before I use it.
Could you perhaps give us a simple sketch?
 
       
       
 

 
 
 
 
 
