Summary

Designed it for the NASA Handrail Clamp Assembly Challenge
(https://grabcad.com/challenges/nasa-handrail-clamp-assembly-challenge)

Spend a lot of time, maybe somebody can use the design for something else :)

Link to the original entry: https://grabcad.com/library/project-rigel-champ-1

Video of the clamp:
https://www.youtube.com/watch?v=bm8yFueGzCE