Agree. Would not even waste the time running that back through a plotter. Grab a xacto knife and be done with it in ten minutes. You do not have to worry aboutYou could have that hand cut in about the same time itll takes to fiddle around running it through the plotter and dont have to risk trashing it.
To me, the long cuts are like laminating on a cheap machine. The more time you spend squaring it up (both print and cut) the better the results will be. I always blame tracking when it skews but reality is that the machine is the constant, not the operator.