http://www.orangeanimation.it <br /> <br />Rigging Mechanical in 3ds Max - Tutorial by A.Nino Giuffrida <br />This tutorial was made as an example for the use of the "select and link, aligns the pivot and look at contrain" and its use in production. I linked objects and attributes assigned to the go to the arm joints and pistons, so trying to make automatic the fluidity and structure to facilitate the animation. I hope you can come in handy.