Loop Wiggle Expression
Loop your animation with wiggle Expression in After Effects.
Copy the Expression. go to your project and select two keyframe then click left button of your mouse by pressing Alt key and paste it.
freq = 1;
amp = 110;
loopTime = 3;
t = time % loopTime;
wiggle1 = wiggle(freq, amp, 1, 0.5, t);
wiggle2 = wiggle(freq, amp, 1, 0.5, t - loopTime);
linear(t, 0, loopTime, wiggle1, wiggle2)
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