Vertical exponential scale-lengths of material in the final remnants as a function of radius. The plotted physical magnitudes are provided in simulation units. The letters identifying each panel are those used in Table 3 for each model. Triangles: material originally from the satellite disc. Diamonds: from the satellite bulge. Asterisks: stellar material originally in the satellite. Squares: from the original primary disc. Horizontal dotted line: scale-length of the final remnant disc, marked as a reference. Vertical dashed lines: radial extent of each IC characterized by a unique exponential profile, according to Fig. 2. The ratio of the vertical to the radial scale-lengths of each IC is indicated in black characters (one number per radial exponential ICs). The ratio of the scale-height of each IC to the radial scale-length of the final remnant disc is also indicated in blue characters at the top right of each panel.