玄武岩收音机材质剖面

Use case: stylized-concept. Asset type: standalone 3:2 landscape case image. Primary request: a realistic cutaway of an original tabletop radio with basalt shell, cork acoustic chamber and copper controls, manufacturable layers. Visual approach: pencil sketch, 叙事场景版; 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：原创桌面收音机的写实剖面，玄武岩外壳、软木声腔与铜质旋钮，层次可制造。视觉方法采用铅笔素描的叙事场景版，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。