Railrevolve and Sweep1 bugs Rhino 6 Win

Hi All

Take a look at the attached - The last of the geometries would be my expected outcome, but Railrevolve displaces the axis and Sweep1 produces weird artifacts at the bottom. Am I totally wrong in considering this a bug?

TIA, Jakob

railrevovle and sweep1 bugs.3dm (295.0 KB)

Hi Jakob - this has to do with the shape curve locating a closest point on the rail - to know where to start/end the surface. If you set up the curves like this, so there is no ambiguity, it should work:


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Thanks, @pascal - makes sense!