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Extruding along paths


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Extrude Along Path converts the path to a NURBS curve. According to the manual sect:917, "Profile objects cannot be non-planar,self-intersecting, or a mixture of 2D & 3D profiles."

Therefore, angular NURBS must be self-intersecting and prohibited.

Basically the difference is procedural. The Polyline tool allows for the sequential linking of segments of lines, vertexes, and arcs to form either an open or a closed polygon. The polygon tool does not allow linking of arc segments. However, a polygon may be composed of lines and arc segments.

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