Scientific canine anatomy reference 3D model: adult female German Shepherd standing firmly on all four legs, natural alert pose, precise three-quarter rear view with tail held naturally high (45° angle) to fully expose perineal region and inguinal area. Accurate non-estrus female canine external urogenital anatomy with correct vulvar commissure, perineal body, anal glands and full ventral mammary chain (10 symmetrical teats). Anatomically perfect head: strong square muzzle, correct scissor bite, black lips, wet nose; strong straight forelegs and hindlegs with proper pasterns, compact cat-like paws, visible dewclaws and black pads. Classic black-and-tan coat, dense realistic fur. Game-ready clean quad topology 4M+ polys, photoreal 8K PBR, studio gray background, even soft lighting.