Shoot i meant to have this referenced!!
I just did mine in 3rds.
See here, He flipped them with the help of locator holes.
I myself used the bolt holes already there. I then changed positions easily, with 4 reference points.
Zeroed it at first, but then in Estlcam I kept using the lower left bolt hole (In the area I was cutting) as my zero.
these are SUPERB machines!
Guess i did not save the project, but here is how it was done (just recreated it quickly is all)
Remember to drill the first 4 holes deep into table for Reference!
I need to add, i manually removed z probe,etc in file 2 and 3, Philipp was key here, you do not want to change zero at all from file 1 to 2 to 3