分叉杆组保持各自接点

提示词

按给定杆组与上下接点，呈现斜杆从下部汇接区向多个上部位置展开的关系；保留各杆身份、间隙与原有遮挡，不把杆组合成实心三角板或无接点的放射线。

Use the supplied member group and upper and lower connection points to show inclined members spreading from the lower junction area to their distinct upper positions. Retain each member’s identity, gaps and documented occlusion rather than merging the group into a solid triangular panel or unconnected radial lines.