i click set image
i take my picture

 

i rotate the picture

 

 

i  flip to obtain right wing

 

 

I crop the picture to obtainthe picture wing right

 

 

 

i click the option rib vertical

I clik 1 and2and my rib is vertical

 

 

 

 

i click the option calibrate .

i click the 1 (same the one "rib" and  the right wing)

 

I click ok

The picture is not here