What are the common mistakes when use faces 3D models?

Common mistakes when using facial 3D models are neglecting deformation-friendly topology, adding unnecessary details, and misaligning textures with geometry. Poor topology—like triangles in bendable areas (mouth, eyes)—leads to jagged animations; too many polygons slow real-time apps (VR, AR). Unnecessary details bloat files and hurt performance. Misaligned textures (e.g., skin not matching nose shape) break close-up realism. Beginners should use topology-optimized base models and preview textures in tools like Blender/Unity early to fix issues.