On Tue, Aug 25, 2009 at 12:07 PM, Zampini Samuele<samuele.zampini at epfl.ch> wrote: > Dear all, > > I wanna now if it is exist a feature that allow me to remove an actor instaed of adding it. > > I mean, if I succed in putting 2 cones together and I decided to remove one of them, how can I do? > I think you can hide the actor without removing it. John