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Extrude along path & loft with rail issues


Kaare Baekgaard

Question

When extruding along path - or lofting with rail - the profile automatically rotates, so it is oriented perpendicular to the path. For most purposes this is good. Sometimes, however, I want the profiles orientation to remain the way I place it prior to exterusion (or lofting) - all through the final extruded shape. I want this, because it is the ONLY way, I can generate certain shapes.

So I wish, there was an option within the extrude along path dialogue, where I can disable the automatic re-orientation of the profile shape - if the profile shape is indeed a 3D nurbs curve.

This is hard to explain in a way, that evokes exitement. But it is actually really, really important, so I hope you pay attention at NNA :-)

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One way to defeat the rotation is to break the path into 'flat' segments then extrude each segment individually. Then assemble the various parts into the whole. I had this issue with a curved & sloped wall... the profile would rotate 180? ! Breaking the Path curve into segments solved the problem.

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