So, these objects created do interact as normal 3D physical structures or are they just for looks?
And the difference between the two betas, is that before you could only load objects for body parts? But now, you can load them as individual objects or so?
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Just for looks.
You attach an object to a body part (for example, head), there's also an option to make said body part invisible.
eg here is a monkey head.
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playing around with what I had lying around