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My situation is as follows: I want to create a curved plane that has a crease or ditch at one end and is flat at the other. To achieve this, I created a curve (curve 0) that defines my plane, then used another U-shaped curve (curve 1) to bevel the first one, creating the actual plane with the ditch or crease (the U shape of the crease or ditch being defined by curve 1).

Now my question is: can I create a third curve (curve 2) that is just a straight line and have the bevel transition from curve 1 to curve 2 over the distance of curve 0?

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I don't know of a way to to morph a bevel from one curve to another. If you want a blend a curved plane from one profile to another you need a NURBS surface.

enter image description here

  1. Add (Shift + A) a Surface, NURBS Curve.
  2. Edit the curve to the profile you want for one end of the surface.
  3. Duplicate (Shift + D) the curve and move it along the Y-axis.
  4. Flatten out the curve control point by scaling them in the Z-axis.
  5. Select both curves and press F to loft them into a surface.
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    $\begingroup$ Thanks! This looks exactly like what I want. How did you do this? $\endgroup$ Commented Apr 23, 2016 at 21:24
  • $\begingroup$ Added some instructions for you. $\endgroup$
    – Xtremity
    Commented Apr 23, 2016 at 21:34

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