in the attached file OffsetSrf does not work as expected. The “extrusion” surfaces are not perpendicular to the planar surfaces. The trimming surface is also attached. OffsetSrf_Bug.3dm (543.4 KB)
Hi Jess - yeah, it looks like the lofted surface there (I think it is a loft…) should maybe refit the input curves. I’ll put it on the pile, thanks.