纸雕洪泛平原教学模型

Use case: stylized-concept. Asset type: standalone 3:2 landscape case image. Primary request: a layered paper relief model showing river meanders, levees, wetlands and a town on higher ground, coherent hydrology. Visual approach: instant imaging, 材质特写版; keep the medium appropriate to the subject. Composition: one coherent scene, crisp material edges, believable spatial relationships. Constraints: no collage, no grid, no logo, no watermark, no readable text.

生成一张独立的3:2横幅案例图：多层纸雕模型展示河流曲流、堤岸、湿地与高地城镇，水文关系完整。视觉方法采用拍立得即时成像的材质特写版，媒介须与主题匹配。保持单一连贯场景、清晰材质边缘与可信空间关系；不要拼贴、网格、标志、水印或可读文字。