Example: Trim by Profile

The boundary curves do not form a closed boundary.

The green Direction 1 curves extend beyond the purple Direction 2 curves.

TrimbyDir_Sk.gif
Boundary surface - No trim TrimbyDir_NoTrimFinal.gif
Preview - Trim by direction 2 selected TrimbyDir_SkTrimDir2.gif
Boundary surface - Trim by direction 2 TrimbyDir_TrimDir2Final.gif