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Rigging and Animating AI 3D Characters

How to rig and animate AI-generated 3D characters: auto-riggers, Mixamo and its alternatives, non-humanoid rigs, and options for adding motion.

An AI-generated character becomes useful in a game once it has a skeleton and can move. Auto-riggers document input rules, usually a humanoid in a T-pose or A-pose with clear gaps between limbs and body, and some also document quadruped or creature options. Check your model against those rules before you start. These guides draw on tool documentation and attributed reports; we have not yet run our own rig tests.

Very dense meshes are likely to deform poorly and some riggers cap face counts, so retopology may come first. If you haven’t generated the character yet, see the best AI 3D character generators.

Choosing how to rig

Beyond humanoids

Adding motion

Then bring the rigged character into your game engine.