The default when the MFT/3 and guide rail come from Festool is that you cut on the right side (when facing the table). Is there any reason the table, guide rail, and fence can't be set up to cut on the other side? I assume the stops need to be moved over to that side, set up, the fence square (flipped end to end I suppose), and the guide rail squared again. On my old miter saw I was used to cutting on the other side.