Blend and flip command

 From:  Frenchy Pilou (PILOU)
10023.20 In reply to 10023.19 
Yes I see it but that don't help me for my simple crossing surface!
I must be in a bad day! :) I have tryed tone of click points (one success) but as i made it too speedy...
i have losted the solution! :) (your old method was so simple! :)

Hopefully i have my complex tricky method above! :)

EDITED: 6 Nov 2020 by PILOU