You may want to correct the notches on the ramp as well. A lot of people have missed this:
Another thing not in the article is the welds between the large armor plates. They should not be there. A lot of folks miss this or simply choose not to address it.
And those molded on hand holds. Some have complained about them. Just slip a chisel blae underneath them and lift them up.
All of these little things by themselves don’t mean much, but when you add them all up you’ll get a much more accurate model with little cost or effort.