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Hello to anyone who may be able to help.

I am trying to animate a set of bristles to vibrate very fast, like 100 - 200 hertz for a clients project and all I can manage is to make them move back and forth frame by frame. I am sure I am missing something as even with motion blur it just doesn't look right.

The product is unreleased so I can't post the files but imagine electric toothbrush bristles, the bristles I am trying to animate below.Bristles I am trying to get to vibrate

Also halfway through this video is the effect I am trying to achieve https://www.youtube.com/watch?v=m4_MGFd2Sug[Video of toothbrush]2

Any help with this would be hugely appreciated as I'm really up against this with my client wanting to see results soon.

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  • $\begingroup$ Did you find the answer? I have to do the same kind of animation. $\endgroup$ Oct 27, 2021 at 8:53
  • $\begingroup$ See answer I posted :) $\endgroup$ Oct 28, 2021 at 10:01

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Yes, I did figure it out in the end.

Keyframe at frame 1 the object at the starting point, frame 2 keyframe off to the side and frame 3 back to the start.

In the graph editor get the modifiers from the"n" menu on the right and add a cycles modifier.

The speed of the vibration is tied to the framerate of the animation, so set a custom frame rate of 120 for 120 oscillations per second for example.

Hope this helps,

Oli

enter image description here

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