XD Oks, thanks Now I have make copies between distanceA - distanceB with /x, and I have make 360º radial copies. Thanks so much.

@tig said: No screen-shot ? In the first post. The group of the cylinders inside the rectangle. My english is very bad, sorry I'll search some plugin. Thanks TIG. Jean Lemire: Thanks for the explanation. I know this method. My doubt is about to align groups, like in my first post. It seems is necessary some plugin.