You can animate a creature 3D model without auto-rig by manually building a custom skeleton (armature) in 3D software, binding the model to the skeleton with weight painting, then setting keyframes for bone movements. Manual rigging means creating bones that match the creature’s anatomy (e.g., a bird’s wings or a lizard’s tail) and adjusting vertex weights so the model deforms naturally when bones move—then you keyframe actions like walking or flapping. For beginners, start with simple creatures (e.g., a four-legged animal) in Blender using beginner tutorials—practice basic weighting and keyframing first to avoid overwhelming complexity.
