To create an Animated 3D Sequence, the sequence must be exported as an obj sequence out of a full 3D application. Many 3D applications have ways to export obj sequences, you may have to do some research on how to do that in your own 3D application that you prefer using.
Here is a list
of some commonly used 3D applications and some resources for how you would export the obj sequence.
Element v1.5 New Features Video
Animated OBJ Sequences Support
Built-In Glow Rendering
Custom Anchor Point Control
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