realistic hand 3d model

A realistic 3D human hand model performing the sign language letter "A". The hand is closed in a fist with the thumb resting alongside the index finger, clearly showing the gesture for "A" in sign language. High-quality detailed skin texture, natural proportions, and correct anatomy. Neutral pose, centered composition, studio lighting, clean background. Optimized for Blender, smooth topology, ready for animation, realistic shading.