step by step就可以 +ElfZ4
42G)~lun-d
point1: Location of the first copy that resides in the center of the circular array. le/,R@]B9
copies1: Number of copies along the spoke (including the center copy). HK,cJahq
point2: Distance between the spoke copies and direction of initial spoke. lr>oYS0
copies2: Number of spokes.