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I love the "random" input in the shader editor; it makes it so easy to randomize duplicated objects by changing the color and offsetting textures and all that. It would be crazy useful to be able to do a similar thing with shapekeys, so the geometry can vary as well.

I can control the value with a driver, and I tried the method in this fantastic video, but that changes the shapekey value on every frame (as happens with every "random" solution I've tried so far), which means in an animation it's a jittery mess (he suggests "muting" the drivers to fix this, but the scene still runs super slowly, since I think it's still running the randomizer for every value for every frame, even if you can't see it).

So my question is, how can I give that shapekey a random static value? I figure something like multiplying the object's ID by a wacky number or something, but I just can't figure it out.

I feel embarrassed posting this, because I feel like this is a fairly basic thing that's probably answered elsewhere, but I've been searching obsessively for a couple days and just keep finding the same few threads over and over, so hopefully someone here knows?? Thanks in advance!

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  • $\begingroup$ Hi and welcome. If the linked post does not answer your question, just let us know. The add-on mentioned in the answer has been updated recently too and should work perfectly: blender.stackexchange.com/questions/40621/…. BTW: recommend take the tour to learn about how this site works, cheers. $\endgroup$
    – brockmann
    Mar 15, 2021 at 16:59

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