LM8UU Carriage for Overlord / Overlord Pro

EDIT 2016-02-22:
* No more need to make M3 theads, instead now has slots for M3 locking nuts.
* ~45% material reduction.


Experimental first designs of a new carriage for the DreamMaker Overlord 3D printer to use LM8UU type bearings (8 mm linear ball bearings).

This is _VERY_ much a design in progress and a lot of more work is to be done.

If you guys want to print some experimental parts, take your dear Overlord apart, and have LM8UU bearings laying around, and really want yourself