two triangles and two rails, done a dir and both rails heading same way, dir on triangles sees both same dir, so why does sweep2rail create a twisted shape ?
TWIST.3dm (25.8 KB)
My guess is you were in a viewport where the rails were oriented vertically.
Or Loft since the rails are straight:
see attached, triangles are parallel on two edges, base is constant width on rails, I get that crazy twist, where in the storyboard do I go wrong ?
a sweep2rails should work here surely ?
need to click twice the attachment to see full screen in same size pixels it seems.