3D Model: Technical Requirements: Clean, Optimized Topology Suitable For Animation (quads Only, No N-gons). Edge Loops Placed Properly Around Eyes, Mouth, Shoulders, Elbows, And Knees For Deformation During Rigging. UVs Well Laid Out And Ready For Texturing. Model Should Be Watertight With No Geometry Errors. Neutral T-pose Or A-pose With Arms Slightly Angled Down, Ready For Rigging And Skinning. Facial Topology Designed For Blendshapes (eyelids, Mouth Corners, Cheeks).