折面罩盖向下收尖

提示词

让单元罩盖的平直折面沿已选折线向下收拢至低尖点，上缘高低与各单元边界分别可读；不把低尖点翻成上凸屋脊，也不把相邻独立单元连成连续软布。

Let each canopy unit’s planar facets converge downward to the selected low tip along the chosen fold lines, keeping the upper-edge levels and individual unit boundaries legible. Do not invert the low tip into an upward ridge or merge separate neighboring units into continuous soft fabric.