Curtain Wall for Twisting Surface

Hi, I am trying to generate the curatin wall for a twisting surface. I did the tweencurve to have these contour lines, but I stuck at moving to next step. Any thought will be helpful. Thank you


Curtain Wall (53.3 KB)


Check this method which builds from tween curves and contouring:
Curtain Wall (27.8 KB)

Good luck