i tried to create a normal surface to a cylinder along a wraped sketched (see attached). rulled surface feature definitely does this. i tried using sweep to see if i could get the same result. i tried the default "follow path option" which documentation says "Section remains at same angle with respect to path at all times". but what does this really mean? how does the profile orients itself while sweeping? there is only one plane normal to the path at each point but there are infinite normals to the path at each section. how the result is predictable?