3D超写实渲染，中近景斜向构图，一把仿古风格短匕首斜放于深灰色哑光纯色背景中，匕首柄部由深棕色粗麻绳紧密螺旋缠绕，护手与柄首为做旧黄铜材质，表面带有柔和的古铜金属光泽，护手处雕刻有复古浅卷草浮雕纹样，刀刃主体为复古锻打碳钢材质，表面分布着粗糙锤纹与暗褐色铁锈旧化痕迹，仅沿刀身切削出的刃口为亮银色磨亮金属质感，整体采用侧顶柔和光源，金属表面带有自然高光反射，整体氛围厚重古朴，4K高清细节，材质质感真实。

Hyper-realistic 3D render, medium close-up diagonal composition, an antique-style short dagger placed diagonally on a matte dark grey plain background. The handle is tightly wrapped with dark brown coarse hemp rope, the handguard and pommel are made of aged brass with soft antique metallic luster, and the handguard is carved with shallow vintage scroll relief patterns. The main blade is made of vintage forged carbon steel, covered with rough hammer texture and dark brown rusted weathering marks, only the sharpened edge along the blade is bright silver polished metal. Soft side-top lighting is used, with natural highlight reflection on metal surfaces, the overall atmosphere is thick and retro, 4K high-definition details, authentic material texture.