Trying to sweep closed polyline with a section profile, those closed polyline are just contour lines. Not sure where is the error come from.Q_error with sweept profile on closed line.gh (24.8 KB)
thank you! could you help me understand what’s wrong with my previous seam adjust part? seems after replace this with your seam adjust part, it works
The first 4 curves in your curve pram are the rails. The rest is irrelevant.