Inclination evolution of the fly-by simulations with the prograde and retrograde fly-by of Configuration 1 (periastron in the same plane as the disk) in the top two panels and Configuration 2 (periastron out of disk plane) in the bottom two panels. Time t = 0 indicates the moment of closest approach. The color corresponds to time, and the blue and orange vertical dashed lines indicate the times when the perturber crosses the (initial) disk midplane. We note that we plot the inclination profile only up to the outer radius of the disk r_out = 26 au, but the computational domain extends further out.