Sperm and inner structure in details. Medically accurate 3D illustration high quality 3D model. Hi-Poly 3D model of scene and single object. Was used procedure materials for textures . Single object has 28291 polygons. You can easy modyfy tail by editing line points . Please use HDRi map (included) for reflections. You can control polygons by using meshsmooth function . + Single object scene over white.