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Orientation/Twist Type - Follow Path

Under sweep Options, when you select Follow path as the Orientation/twist type, you can select parameters to stabilize the profiles when small and uneven curvature fluctuations along the path cause the profiles to misalign.

Profiles always maintain a normal to the path. Profile fluctuations are due to uneven curvature fluctuations along the path. Unless you correct the fluctuations by selecting one of the options, the profiles follow the path and shift to adjust to the misaligned path.
The parameters are:
None The default value, indicating that no correction is applied.

With None selected, the profile fluctuates, preventing a smooth sweep.

Minimum Twist (For 3D paths only) Prevents the profile from becoming self-intersecting as it follows the path.
Direction Vector Select a plane, planar face, or line to define the vector. When you select a plane or planar face, the normal of the plane or planar face is applied. If you select a line, the line direction provides the direction vector.

The section plane (along which the sweep is created), always includes the direction vector as its X-axis. The normal of the plane, the Z-axis, is the plane that contains the direction vector and the path tangent at that point.

The Front plane (shown) is the Direction Vector. The profiles do not fluctuate, remaining aligned along the entire path, and creating a smooth sweep.

All Faces If the path includes neighboring faces, you can select All Faces. When the path includes 2 alternative faces, click Next Face to switch faces.

The section plane (along which the sweep is created), always includes the face normal as its Y-axis. The normal of the plane, the Z-axis, is the tangent of the path at that point.

All Faces selected (as shown). The profiles do not fluctuate, remaining aligned along the entire path, and creating a smooth sweep.



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