Below shows how the point picked for _RibbonOffset’s Side to offset affects the output curve. The result with overlaps occur when the point is picked too close (such as at A) to the starting curve. [image] [image] [image] RibbonOffset_DistanceOfSidePickFromCrv.3dm (47.5 KB)

RH-57718 is fixed in the latest WIP

RibbonOffset's "Side to offset" pick point's affect on result

brian (Brian Gillespie) April 14, 2020, 10:32pm 10

RH-57840 is fixed in the latest WIP