hello & happy holidays to all - sorry about this post buti am a newbie to sw & i have tried to figure this out but to noavail - i have a cylinder that i want to move the piston a certainamount to show movement in the assembly - i have tried to make thepiston rod flexible, tried different mating procedures, triedsetting up a distance mate but nothing seems to work - i can makethe piston rod concentric & move it but it moves throughout theentire assembly not just from point a to b - any help would begreatly appreciated - i am trying to learn this on my own for a jobthis year so please be patient w/ me if i am asking a dumb question- i have sw 2004SolidworksAssemblies