Grasshopper

algorithmic modeling for Rhino

Are there any constraints for the 'Sweep2' component?
For the attached files, one case works and the other doesn't.  "Crv 3" and "Crv 4" are planar, "Crv 1" and "Crv 2" not.

Thanks

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In my experience [Sweep2] is very sensitive to curve direction (more so than the Rhino command).

Make sure your sweep curve starts at the beginning of both rail curves.
a different description of the problem shows my original question a bit better. the basis for created surfaces is a single [mother] curve.

can you comment pls? thanks.
Attachments:
You have two sweep curves. The attachment order of the sweep curves matters.

The first sweep curve should correspond to the start of the rail curves. The [Merge2] shows the attachment order that works.

thanks, taz. I don't know how to figger this out without your input...
krgds,
Rony

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