超写实铅笔素描，高对比度，白底，3D光影效果
效果展示
图片案例
提示词内容
3d pencil sketch of a {"subject" "banana"}, hyperdetailed, volumetric lighting, white background, high contrast, made with Nano Banana Pro3d pencil sketch of a {"subject" "banana"}, hyperdetailed, volumetric lighting, white background, high contrast, made with Nano Banana Pro