writes "from the slate article "...Tresset, for one, discovered a novel way to stay mentally healthy with the help of drugs and still pursue what was once his life’s work: He created robots that can draw portraits. Far from a mere novelty, his research is telling us more about both the creative process in humans and how we relate emotionally to machines..." "...Most of us still don’t have robots in the home, but for decades now, we’ve been waiting for machines to do our bidding. Tresset believes that it might be a good idea to imbue all personal robots with some sort of artistic skill to encourage an emotional bond—it might allow for more trust, perhaps, though you can also see how overly identifying with a machine might create some existential questions..."
In the article there is also a fascinating video of 5 of his robots sketching a single human subject...
http://www.slate.com/articles/technology/future_tense/2012/11/tresset_robot_artist_artist_engineers_robots_to_make_art_and_save_his_own.single.html"Link to Original Source