Although individual branched junctions are floppy, arranging four of them at the corners of a parallelogram results in a well-behaved unit in a parallelogram array.

• 虽然每一个分岔接头都是松散的，但若将四个接头安排在平行四边形的四个角，就可以得到平行四边形阵列中的稳固单位。