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I'm trying physics in blender for the first time. I have the keys set in a floating position, and I'd like them to rest as they would in real life.

The keys, as they are now.

I've added a dynamic rigid body to each of the keys, with a mass of 0.008 kg. The keyring has a rigid body as well, but I've unchecked the dynamic checkbox, per a tutorial.

A view of a key's physics settings.

Unfortunately, the keys appear to explode across the screen when I hit play:

The keys scattering across the screen.

Someone suggested I turn down the sensitivity margin from the default, but using 0 nor 0.001 has made a difference.

What's wrong here? Thanks in advance!

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  • $\begingroup$ This type of collision is really hard to calculate, so rigid bodies might not work well. Hopefully you don't need it for an animation, because it would be a lot easier to just position the keys by hand $\endgroup$
    – cervidae
    Feb 16, 2021 at 1:48

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