Originally posted by gster123 Dont know if youve seen it but if you google theres a tutorial on rigging a pistion, if it dosnet work as you wanted I would be inclined to use a SDK that uses the IK movement to drive the SDK of the piston. Well, since I already set it up, I don’t feel like re-rigging it. I’ve finished the basics of the animation, now I just need to tinker with it and make it more advanced. Hopefully I’ll have this finished by the end of the week.