Smooth the curve of sweep

hi,
i have been using merge to control the width of the rectangle while doing the sweep, but I can’t get a smooth curve and it is unnatural ,is there anyway to solve it? thanks


0409.3dm (1.6 MB)

0409.gh (52.8 KB)

tell me if you know how to do.really urgent.thanks

use loft

thanks! it worked out!:wink: