Universal camera gimbal set

This kit along with your choice of clamp from this thing http://www.thingiverse.com/thing:430832
makes it possible to assemble a fully working camera gimbal.
All you have to add is:
1 bearing like this http://www.ebay.com/sch/i.html?_from=R40&_trksid=p2050601.m570.l1313.TR0.TRC0.H0.X4+x+8+x+3+flange&_nkw=4+x+8+x+3+flange&_sacat=0
plus motors, screws and electronics
This kit is designed to be used with pipe outer diameter of 12 - 30mm although the cradle pipe can be max 19mm