V= r X 2 X 3.14 X N
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
V= r X 2 X 3.14 X N
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