rather then hope some preexisting code exists that would work for thier specific requirements
There you go again Lefty showing your age. 
No one does anything any more you just ask and some one else does it for you. Any one spot the flaw in that logic?
Now, I have this idea for a narrow cylindrical object. Two of which can be linked with a rod and then you can build a platform on two of these combinations of two. This platform would be able to be moved real easy. But I have searched the internet all over and no one has done this. 