I use chariot bases with added round base (halves) on the end since I only play em in
40K.
Ill try to get a pic up for you. This creates a huuuuuge footprint, true, but I prefer a stable model
Having such a big print does have some downsides. Landing the thing in the first place may get tricky, more stuff can get into direct assault etc. Nothing I couldnt live with though.