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In a curve, each invidivcontrol point has a value called Tilt. Changing the tilt will essentially "twist" the part of the curve. To change the tilt I simply select a control point, and change the tilt value in the N menu. To change the tilt value of multiple control points at once, I just select all and change it in the same way.

The tilt value of an individual control point can be animated. However, when I select all the control points, the tilt value loses its ability to be animated.

Is there a way to animate the tilt value of all control points without doing it one by one?

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  • $\begingroup$ Don't have time to research it right now, but isn't this what Drivers are used for? Can this value be driven, not all can? $\endgroup$ – Ron Jensen Jun 5 at 18:03
  • $\begingroup$ @RonJensen I have tried using drivers but they do not work $\endgroup$ – Eric Xue Jun 5 at 18:35
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The shipped add-on AnimAll allows you to do this.

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Alternatives might include giving a subdivided cuboid or array of square rings a Curve modifier along the spiral, and rotating the object around its axis of deformation.

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