iR3 Creative is proud to introduce the FlexHub! A modular, interchangeable hub for power transmission that allows you to adjust designs and reuse components where necessary! Whats even better is that the new Modulox kits are being updated to include these gems. You have always wanted modularity, now you can get it. Available now at AndyMark for more info, cad drawings and pictures check out the website:
http://www.modulox.com/?page_id=1140
Also check out the video explaining the system:
http://www.youtube.com/watch?feature...&v=JjwnIVMbkVw