Universal joint + handle for Stead i Cam

I made this thing with Frits Stead i Cam in mind ( http://www.thingiverse.com/thing:14226 ) as I wanted to print my gimbal/handle instead of using off shelf parts.

After printing and assembling it myself, I would like to warn you: if your printer is not perfectly calibrated, you will need an additional tool: a file.
The stretch plugin for skeinforge might also be of use.. I used slic3r though.

I like the tight fit on the final assembly, so I like to keep the parts as is. - Remember: it's