I am using straight edges and such but most of the cutting is good old #11 blade and a little luck.

To further support the new turret location I actually cut the rear portion of the upper hull square and began evening the edges of the side plates.

A side job was prepping the turret for elevation (ironically U2's song elevation was playing on my iTunes while I uploaded this reply) I attached the Glacis to the upper turret half and puttied the upper edge. I added weld marks in the putty.