菱形扩张网表面

提示词

以连续菱形网眼和斜向金属梗表现扩张网，网梗保留可辨厚度与转折面，孔内透出已设定背景；不要画成圆孔板、交织钢丝或平面菱形印花。

Depict expanded-metal mesh with continuous diamond openings and diagonal metal strands, retaining readable strand thickness and faceted surfaces while showing the specified background through the openings. Do not turn it into a round-hole sheet, woven wires or a flat diamond print.