Creating 3D Splines
Create splines in 3D sketches or use 3D sketch planes.
Creating 3D Splines
To create a spline in a 3D sketch:
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Click 3D Sketch
(Sketch toolbar) or Insert, 3D Sketch.
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Click Spline
(Sketch toolbar) or Tools, Sketch Entities, Spline.
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Click to place the first spline point, then drag to sketch the spline.
The Spline PropertyManager appears.
Each time you release the left button, a new 3D origin is created:

To change planes , press Tab.
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Continue to place spline points and change planes if necessary.
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When the spline is complete, double-click to stop sketching.
Editing 3D Splines
With some exceptions, such as the Z coordinate
, editing 3D splines is similar to editing 2D splines.
Modify 3D splines with the following tools:
Related Topics
Relations with Splines
Creating 2D splines
Using 3D sketching tools
Dimensioning a 3D sketch