Printed out an XYZ Calibration Cube from Thingverse:
http://www.thingiverse.com/thing:1278865
.4mm nozzle
20% infill
Fine Setting
.1mm layer thickness
4 layer surface
Results:
You can see where the bridging support connected on the Y face. Nothing on the X face.
Dimensionally, the cube was to print 20mm. The X is 19.95, the Y is spot on, and the Z is 20.15.
Surface finish on the Z is a fine grid.