Sweep1 - auto-relocate cross section to start of the rail?

I’m trying to create a Sweep1 surface in Rhino 5, the problem is Rhino always creates a surface based on the cross section shape’s location. Is there a way to auto-move the cross section so it’s aligned with the starting point of the rail? And also auto-align its orientation to the orientation of the rail.

I have multiple rails (10) all around the scene and I want to use the same cross-section shape for all of them without cloning it. Maybe a different command?

Thank you!

Hello - no, I’m sorry, you’re out of luck in this case - the curves need to be in place. Seems like maybe you need Grasshopper (www.grasshopper3d.com)


Thank you for the answer! I do have grasshopper3d. Can you please point me in the right direction how I can use it to achieve my goal?

Hello - see how this works - MultiSweep.gh (17.3 KB)

at least as a start.


Great! Thanks a lot of your help, I’ll be checking it out!